Security Affairs

MAY 17, 2022

US Critical Infrastructure Security Agency (CISA) adds critical CVE-2022-30525 RCE flaw in Zyxel Firewalls to its Known Exploited Vulnerabilities Catalog. affecting Zyxel firewall devices that enables unauthenticated and remote attackers to gain arbitrary code execution as the “nobody” user. USG FLEX 50(W) / USG20(W)-VPN ZLD V5.10

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Firewall VPN Firmware Internet 75

Malwarebytes

MAY 26, 2023

Exploitation of these vulnerabilities could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on the affected Zyxell firewalls. Patch 1, USG FLEX series firmware versions 4.50 Patch 1, USG FLEX 50(W) firmware versions 4.25 Patch 1, USG20(W)-VPN firmware versions 4.25

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Firmware VPN Firewall Accountability 84

Malwarebytes

JULY 28, 2021

Researchers at RandoriSec have found serious vulnerabilities in the firmware provided by UDP Technology to Geutebrück and many other IP camera vendors. According to the researchers the firmware supplier UDP Technology fails to respond to their reports despite numerous mails and LinkedIn messages. History lessons. Mitigation.

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Krebs on Security

JUNE 15, 2023

government agency in charge of improving the nation’s cybersecurity posture is ordering all federal agencies to take new measures to restrict access to Internet-exposed networking equipment. “This is reachable pre-authentication, on every SSL VPN appliance,” French vulnerability researcher Charles Fol tweeted.

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Security Affairs

JULY 22, 2023

Fortinet FortiGuard Labs researchers warned of multiple DDoS botnets exploiting a vulnerability impacting multiple Zyxel firewalls. The cause of the vulnerability is the improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35.

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Security Affairs

JUNE 23, 2021

A critical vulnerability, tracked as CVE-2021-20019 , in SonicWall VPN appliances was only partially patched last year and could allow a remote attacker to steal sensitive data. The flaw resides in the HTTP/HTTPS service used for product management as well as SSL VPN remote access. “An 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v

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VPN Firewall Firmware Authentication 84

Malwarebytes

JULY 15, 2021

The exploitation targets a known vulnerability that has been patched in newer versions of SonicWall firmware. x versions of the firmware. x firmware. x firmware versions. SSL-VPN 200/2000/400 (EOL 2013/2014) disconnect immediately and reset passwords. SMA 210/410/500v (Actively Supported) update firmware to 9.0.0.10-28sv

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Ransomware Firmware VPN Firewall 85

Security Affairs

JANUARY 6, 2021

The Taiwanese vendor Zyxel has recently addressed a critical vulnerability in its firmware, tracked as CVE-2020-29583 , related to the presence of a hardcoded undocumented secret account. Firmware version 4.60 The password for this account can be found in cleartext in the firmware.” reads the advisory published by NIST.

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Firmware Passwords Accountability VPN 110

Security Affairs

NOVEMBER 29, 2020

.” Experts used the search engines for Internet-connected devices, like Shodan.io, to search for ENIP-compatible internet-facing devices and discovered more than 8,000 systems exposed online. Experts was that vendors may have bought vulnerable versions of this stack before the 2012 update and are still using it in their firmware.

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Hacking Firmware Internet Internet 125

eSecurity Planet

OCTOBER 1, 2021

The National Security Agency (NSA) and the Cybersecurity and Infrastructure Security Agency (CISA) have released guidance and best practices for securing virtual private network (VPN) solutions. What might be most striking about the document is how many security steps and solutions it takes to properly secure VPN connections.

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VPN Authentication Passwords Software 95

SecureWorld News

OCTOBER 8, 2023

Turn off the internet connection if you will not be using it for an extended period. Use the administrator account only for maintenance, software installation, or firmware updates. Attention should be paid to protecting routers and updating their firmware. Fully utilize firewall capabilities.

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Firmware IoT Accountability Passwords 87

Security Affairs

OCTOBER 22, 2022

The Daixin Team group gains initial access to victims through virtual private network (VPN) servers. In one successful attack, the attackers likely exploited an unpatched vulnerability in the organization’s VPN server. In another compromise, the group leveraged on compromised credentials to access a legacy VPN server.

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Ransomware VPN Cybercrime Accountability 69

Security Affairs

SEPTEMBER 4, 2019

The first issue is an information disclosure flaw via unauthenticated external DNS requests that affect Zyxel devices from the USG, UAG, ATP, VPN and NXC series. This FTP server can be accessed with hardcoded credentials that are embedded in the firmware of the AP. ” reads the advisory.

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DNS Hacking Firmware Wireless 77

eSecurity Planet

JANUARY 22, 2024

The problem: The Unified Extensible Firmware Interface (UEFI) specification has an open-source network implementation, EDK II, with nine discovered vulnerabilities. To exploit CVE-2023-6549, an attacker must find an appliance that’s configured as a gateway, such as a VPN virtual server, or it must be configured as an AAA virtual server.

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Authentication Malware VPN Mobile 102

Kali Linux

NOVEMBER 27, 2022

To enable wireless support, we need to find: The kernel Wi-Fi modules that need to be in the initramfs (Depends on hardware) The Wi-Fi firmware files that need to be in the initramfs (Depends on hardware) The Wireless interface name (Kali defaults to: wlan0 ) Additional packages to increase functionally. bin firmware: brcm/brcmfmac*-sdio.*.txt

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Firmware Wireless Passwords VPN 52

Security Affairs

MARCH 23, 2021

“GE strongly recommends users with impacted firmware versions update their UR devices to UR firmware Version 8.10, or greater to resolve these vulnerabilities. “Specifically, users should: Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet.

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Firmware VPN Firewall Risk 79

Security Affairs

APRIL 25, 2019

Rockwell has released firmware updates that address the vulnerability for the affected controllers. Below the recommendations published by Rockwell Automation to minimize the risk of exploitation of this vulnerability: Update to the latest available firmware revision that addresses the associated risk.

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Firmware Social Engineering Advertising Malware 74

eSecurity Planet

AUGUST 22, 2023

Expanding attack surfaces require additional skills to secure, maintain, and monitor an ever-expanding environment of assets such as mobile, cloud, and the internet of things (IoT). and installed software (operating systems, applications, firmware, etc.). and then monitors the endpoint alerts to respond to detected threats.

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Telecommunications Firewall Penetration Testing Cybersecurity 84

CyberSecurity Insiders

NOVEMBER 1, 2022

Everyone who uses the internet or deals with a digital file or task uses an endpoint device. Back then, endpoint security focused on computers, which meant the installation of antivirus, malware protection, firewall, and (sometimes) VPN in every computer. Unfortunately, it is no longer as simple as it used to be in the past.

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IoT Antivirus Threat Detection Cyber threats 120

Security Affairs

OCTOBER 20, 2018

CVE-2018-18472 – XXE and Unauthenticated Remote Command Execution in Axentra Hipserv NAS firmware. . It’s used in different devices from different vendors, the affected devices sharing the firmware are: Netgear Stora. The company provides a firmware with a web interface that mainly uses PHP as a serverside language.

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Firmware IoT VPN Authentication 61

Security Affairs

JULY 31, 2019

“To update to the latest firmware, each user should select the “Check for Upgrade” option in the “Centrals” menu in the GUI. Specifically, users should: Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet. ” concludes the CISA advisory.

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Backups Authentication Advertising Firmware 57

The Last Watchdog

JUNE 4, 2019

BlueRidge AI integrates the Internet of Things, machine learning and predictive analytics to enable manufacturers to transform their operations into globally competitive operations. ReFirm Labs, meanwhile, has developed a radically new approach to securing heretofore insecure connected devices through firmware validation.

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Cybersecurity Computers and Electronics Technology Marketing 193

Security Affairs

JANUARY 14, 2024

The attackers exploited zero-day vulnerabilities in Zyxel firewalls used by many critical infrastructure operators in Denmark. On April 25, 2023, Zyxel disclosed a critical vulnerability (CVSS score 9.8), tracked as CVE-2023-28771 , in a number of their firewalls. through 4.73, VPN series firmware versions 4.60

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Firewall Firmware Cyber Attacks VPN 102

Security Affairs

NOVEMBER 14, 2023

The attackers exploited zero-day vulnerabilities in Zyxel firewalls used by many critical infrastructure operators in Denmark. On April 25, 2023, Zyxel disclosed a critical vulnerability (CVSS score 9.8), tracked as CVE-2023-28771 , in a number of their firewalls. through 4.73, VPN series firmware versions 4.60

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Cyber Attacks Firmware Firewall VPN 112

eSecurity Planet

MARCH 22, 2023

Networks connect devices to each other so that users can access assets such as applications, data, or even other networks such as the internet. Virtual Private Network (VPN) : For remote access, remote desktop protocol (RDP) no longer can be considered safe. Instead, organizations should use a virtual private network (VPN) solution.

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Firewall Network Security Penetration Testing Encryption 96

SecureList

SEPTEMBER 21, 2023

The most commonly used preemptive tactic is adding firewall rules that block incoming connection attempts. They can be made to serve as routers (proxies or VPN servers) to anonymize illicit traffic. Less frequently, remote device management services will be shut down. Various ways exist to monetize Illicit access to webcams.

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IoT DDOS Passwords Malware 87

eSecurity Planet

SEPTEMBER 22, 2023

The Barracuda SecureEdge SASE product builds off the well established Barracuda security products (firewalls, gateways, email security, and more) that already protect so many global companies. When compared against other SASE competitors, Barracuda SecureEdge can be considered one of the best options to protect remote users.

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Firewall Marketing Firmware Technology 80

eSecurity Planet

MARCH 16, 2023

Definition, Threats & Protections Public Internet Threats If your enterprise network is connected to the public internet, every single threat on the internet can render your business vulnerable too. These threaten enterprise networks because malicious traffic from the internet can travel between networks.

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Network Security Firewall Internet Internet 103

Malwarebytes

MAY 13, 2021

We use WiFi to connect to the Internet, but what is it, and what does it stand for? How does it have such a catchy name, and why do we sometimes have a weak Internet connection with a strong WiFi signal and vice versa? What is the difference between WiFi and Internet? Can you have WiFi without Internet?

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Wireless VPN Internet Internet 100

eSecurity Planet

MAY 19, 2022

Veteran system administrators know traditional networks to be the physical hardware – switches, routers, and firewalls – connecting and controlling network traffic for an organization. With SD-WAN architectures, branch employees and remote users connect to an enterprise network through a web of connected devices over the internet.

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Firewall Architecture Software Backups 57

eSecurity Planet

DECEMBER 7, 2023

Most organizations use one of the AES algorithms for file encryption, full-disk encryption, application encryption, wifi transmission encryption, virtual public network (VPN) encryption, and encrypted protocols such as transport layer security (TLS). Secure/Multipurpose Internet Mail Extension (S/MIME) upgrades email security.

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Encryption Authentication Passwords Password Management 101

eSecurity Planet

MAY 2, 2024

Company instructions to keep hands off internal network traffic leads to internet service provider (ISP) suppression of only 1% of the 100,000 monthly outgoing DDoS attacks. Deny-lists (aka: blacklist) : Blocks specific websites or IP addresses by adding them to a list for firewalls to ignore; very difficult to manage at scale.

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Cybersecurity DDOS Penetration Testing Passwords 94

eSecurity Planet

MAY 19, 2022

EdgeConnect Enterprise critically comes with firewall , segmentation , and application control capabilities. With Aruba, clients can also bundle SD-WAN coverage with the company’s security solutions for virtual private network ( VPN ), network access control ( NAC ), and unified threat management ( UTM ).

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Firewall Architecture Encryption Network Security 111

eSecurity Planet

MARCH 4, 2024

The fix: To eliminate malware infections, perform a factory reset, upgrade to the latest firmware, change all default usernames and passwords, and adjust firewall rules to block exposure to unwanted remote management services. The fix: Disconnect printers from internet access until a patch becomes available.

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IoT Internet Internet Ransomware 108

SecureList

NOVEMBER 14, 2022

Okta was breached through one of its service providers, Sitel, itself compromised via the insecure VPN gateway of a recently acquired company. In both cases, we described new UEFI firmware bootkits that managed to propagate malicious components from the deepest layers of the machine up to Windows’ user-land.

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Firmware Surveillance Mobile Telecommunications 107