Krebs on Security

JULY 25, 2023

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. SocksEscort[.]com com , is what’s known as a “SOCKS Proxy” service.

Malware 200

Malware VPN Internet Internet 200

Security Affairs

AUGUST 4, 2022

“The attack can be performed without user interaction if the management interface of the device has been configured to be internet facing. All the affected models have a patched firmware available for download on the vendor’s website.” SecurityAffairs – hacking, DrayTek Vigor). ” continues the analysis.

Hacking 99

Hacking Internet Internet Passwords 99

Security Affairs

JUNE 19, 2023

ASUS addressed critical vulnerabilities in multiple router models, urging customers to immediately install firmware updates. ASUS is warning customers to update some router models to the latest firmware to address critical vulnerabilities. “Update your router to the latest firmware. ” ASUS added.

Firmware 92

Firmware VPN Wireless Passwords 92

Security Affairs

JULY 22, 2023

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, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35.

DDOS 98

DDOS Firmware VPN Firewall 98

Security Affairs

JANUARY 6, 2021

Threat actors are attempting to hack Zyxel devices exploiting the recently disclosed vulnerability CVE-2020-29583, security researchers warn. 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 115

Firmware Passwords Accountability VPN 115

Security Affairs

SEPTEMBER 4, 2019

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. 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. ” reads the advisory.

DNS 79

DNS Hacking Firmware Wireless 79

Security Affairs

MAY 13, 2022

Below is the list of vulnerable products and related patches: Affected model Affected firmware version Patch availability USG FLEX 100(W), 200, 500, 700 ZLD V5.00 USG FLEX 50(W) / USG20(W)-VPN ZLD V5.10 VPN series ZLD V4.60 If possible, enable automatic firmware updates. SecurityAffairs – hacking, Zyxel).

Firewall 81

Firewall Firmware VPN Wireless 81

Security Affairs

MAY 17, 2022

Below is the list of vulnerable products and related patches: AFFECTED MODEL AFFECTED FIRMWARE VERSION PATCH AVAILABILITY USG FLEX 100(W), 200, 500, 700 ZLD V5.00 USG FLEX 50(W) / USG20(W)-VPN ZLD V5.10 VPN series ZLD V4.60 If possible, enable automatic firmware updates. SecurityAffairs – hacking, domain name system).

Firewall 84

Firewall VPN Firmware Internet 84

Security Affairs

SEPTEMBER 6, 2022

today detected the security threat DEADBOLT leveraging exploitation of Photo Station vulnerability to encrypt QNAP NAS that are directly connected to the Internet. “We strongly urge that their QNAP NAS should not be directly connected to the Internet. SecurityAffairs – hacking, DeadBolt ransomware). and QTS 4.4.1.

Ransomware 95

Ransomware Internet Internet Encryption 95

Security Affairs

MAY 1, 2021

“To further secure your device, do not expose your NAS to the internet. If you must connect your NAS to the internet, we highly recommend using a trusted VPN or a myQNAPcloud link.” SecurityAffairs – hacking, QNAP). ” continues the advisory. Follow me on Twitter: @securityaffairs and Facebook.

Ransomware 123

Ransomware Cryptocurrency Malware Internet 123

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 reads the analysis published by Tripwire.

VPN 91

VPN Firewall Firmware Authentication 91

Krebs on Security

MAY 22, 2023

Chaput said the spammers used more than 1,500 Internet addresses across 400 providers to register new accounts, which then followed popular accounts on Mastodon and sent private mentions to the followers of those accounts. that were created from different Internet addresses in Vienna, Austria. pw was their domain.

Scams 239

Scams DDOS Cryptocurrency Accountability 239

Security Affairs

JULY 8, 2022

Preliminary investigation indicates that Checkmate attacks via SMB services exposed to the internet, and employs a dictionary attack to break accounts with weak passwords.” ……… “ The vendor recommends not exposing the SMB service to the internet and using VPN to access the NAS and reduce the attack surface.

Ransomware 101

Ransomware Encryption Passwords Internet 101

Security Affairs

DECEMBER 22, 2022

Microsoft Threat Intelligence Center (MSTIC) researchers discovered a new variant of the Zerobot botnet (aka ZeroStresser) that was improved with the capabilities to target more Internet of Things (IoT) devices. Maintain device health with updates: Make sure devices are up to date with the latest firmware and patches.

IoT 116

IoT DDOS Malware Firmware 116

Security Affairs

SEPTEMBER 22, 2021

The flaw, tracked as CVE-2021-40847, resides in the source of a third-party component included in the firmware of many Netgear devices. SecurityAffairs – hacking, SOHO). This code is part of Circle , which is used to implement parental control features to these devices. R6700v3 – 1.0.4.106 R6900 – 1.0.2.16

DNS 132

DNS Firmware VPN Risk 132

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.

Ransomware 75

Ransomware VPN Cybercrime Accountability 75

Malwarebytes

JUNE 26, 2023

Poorly configured Linux and Internet of Things (IoT) devices are at risk of compromise from a cryptojacking campaign , according to researchers at Microsoft. Microsoft claims to have traced this particular campaign to a member of a hacking forum who offers several tools for sale in what may be a dedicated malware as a service operation.

IoT 82

IoT Adware Firmware DDOS 82

Security Affairs

APRIL 11, 2021

prize pool Zerodium will pay $300K for WordPress RCE exploits Crooks abuse website contact forms to deliver IcedID malware Hackers compromised APKPure client to distribute infected Apps This man was planning to kill 70% of Internet in a bomb attack against AWS. SecurityAffairs – hacking, newsletter). Pierluigi Paganini.

Cyber Attacks 53

Cyber Attacks Firmware Malware VPN 53

Security Affairs

SEPTEMBER 3, 2021

. “Cyber criminal threat actors exploit network vulnerabilities to exfiltrate data and encrypt systems in a sector that is increasingly reliant on smart technologies, industrial control systems, and internet-based automation systems. Install updates/patch operating systems, software, and firmware as soon as they are released.

Ransomware 106

Ransomware Passwords Backups Firmware 106

Security Affairs

APRIL 4, 2019

Firmware updates that address this vulnerability are not currently available. After the disclosure of proof-of-exploit code for security flaws in Cisco RV320 and RV325 routers, hackers started scanning the Internet for vulnerable devices in an attempt to take compromise them. Pierluigi Paganini. ( – Cisco Cisco RV325, hacking).

Small Business 82

Small Business Firmware Advertising VPN 82

Security Affairs

FEBRUARY 11, 2019

“Since recent firmware updates, the ClamAV Antivirus fails to update due to 700+ clamav.net entries in /etc/hosts, all set to 0.0.0.0 “Exposing your NAS on the internet (allowing remote access) is always a high risk thing to do (at least without a properly deployed remote access VPN and/or 2FA on all existing user accounts)!”

Antivirus 103

Antivirus Firmware Advertising VPN 103

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.

Firmware 89

Firmware VPN Firewall Risk 89

Security Affairs

MARCH 16, 2022

“After effectively disabling MFA, Russian state-sponsored cyber actors were able to successfully authenticate to the victim’s virtual private network (VPN) as non-administrator users and make Remote Desktop Protocol (RDP) connections to Windows domain controllers [ T1133 ]. SecurityAffairs – hacking, Russia-linked threats actors).

Accountability 97

Accountability Passwords Authentication Firmware 97

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. Pierluigi Paganini.

Firmware 77

Firmware Social Engineering Advertising Malware 77

Security Affairs

OCTOBER 13, 2020

The number of sensors and smart devices connected to the internet is exponentially rising, which are the 5 Major Vulnerabilities for IoT devices. Unfortunately, at that moment, there were over 300,000 of those cameras connected to the internet. Nowadays, malware is an indispensable part of the internet (even if we do not like it).

IoT 135

IoT Cybersecurity Manufacturing Internet 135

Adam Levin

FEBRUARY 10, 2020

But, then again, you may have been hacked–“wiped” being the current term of art and something Iran has earned a reputation for. Most likely you didn’t pause before you clicked, and got phished or compromised in some other way–possibly by an internet of things device connected to your home network.

Passwords 245

Passwords Phishing Password Management Accountability 245

Security Affairs

MAY 13, 2021

Update software , including operating systems, applications, and firmware on IT network assets, in a timely manner. other than VPN gateways, mail ports, web ports). SecurityAffairs – hacking, DarkSide). Filter network traffic to prohibit ingress and egress communications with known malicious IP addresses. Pierluigi Paganini.

Ransomware 120

Ransomware Healthcare Phishing Risk 120

Security Affairs

APRIL 2, 2021

In March 2021, government experts observed state sponsored hackers scanning the internet for servers vulnerable to the above flaws, the attackers were probing systems on ports 4443, 8443, and 10443. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. • Pierluigi Paganini.

Passwords 71

Passwords Government Firmware Accountability 71

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.

Firmware 66

Firmware IoT VPN Authentication 66

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. SecurityAffairs – Prima FlexAir, hacking).

Backups 61

Backups Authentication Advertising Firmware 61

SecureList

SEPTEMBER 21, 2023

We conducted an analysis of the IoT threat landscape for 2023, as well as the products and services offered on the dark web related to hacking connected devices. Another type of service sold on the dark web is IoT hacking. Cameras may be hacked for their CPU power only, to mine crypto, or to install DDoS utilities.

IoT 86

IoT DDOS Passwords Malware 86

SecureList

DECEMBER 14, 2022

The Viasat “cyberevent” On the 24 th of February , Europeans who relied on the ViaSat-owned “ KA-SAT ” satellite faced major Internet access disruptions. It directly affected satellite modems firmwares , but was still to be understood as of mid-March. Hack and leak.

DDOS 132

DDOS Ransomware Government Energy and Utilities 132

Security Affairs

DECEMBER 27, 2021

Researchers found multiple backdoors in popular VoIP (voice over Internet protocol) appliance made by the German manufacturer Auerswald. Researchers from RedTeam Pentesting discovered multiple backdoors in a popular VoIP (voice over Internet protocol) appliance made by the German manufacturer Auerswald. “Firmware Update 8.2B

Firmware 102

Firmware Manufacturing Passwords Penetration Testing 102

Kali Linux

DECEMBER 8, 2021

The time that it actually takes to update Kali can vary greatly and depends on many factors, including the speed of your Internet connection, your location, and even the time of day, if ever you live in a place where Internet traffic jam occurs at rush hour. Raspberry Pi images now include versioned Nexmon firmware.

Social Engineering 52

Social Engineering VPN Architecture Engineering 52

Security Affairs

NOVEMBER 14, 2023

The vulnerability is an 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, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35. ” reported the SektorCERT.

Cyber Attacks 122

Cyber Attacks Firmware Firewall VPN 122

Security Affairs

JANUARY 14, 2024

The vulnerability is an 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, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35. reported the SektorCERT.

Firewall 113

Firewall Firmware Cyber Attacks VPN 113

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.

IoT 117

IoT Internet Internet Ransomware 117