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Backdoor in Zyxel Firewalls and Gateways

Schneier on Security

This is bad : More than 100,000 Zyxel firewalls, VPN gateways, and access point controllers contain a hardcoded admin-level backdoor account that can grant attackers root access to devices via either the SSH interface or the web administration panel. […]. aN_fXp” password.

Firewall 303
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Expert found a secret backdoor in Zyxel firewall and VPN

Security Affairs

Zyxel addressed a critical flaw in its firmware, tracked as CVE-2020-29583 , related to the presence of a hardcoded undocumented secret account. The Taiwanese vendor Zyxel has addressed a critical vulnerability in its firmware related to the presence of a hardcoded undocumented secret account. 2020 AP controllers NXC2500 V6.10

Firewall 137
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Top stories of 2020

Security Affairs

Below the list of the top stories of 2020. April 27 – Hacking Microsoft Teams accounts with a GIF image. Experts discovered how to take over Microsoft Teams accounts by just sending recipients a regular GIF, it works for both desktop and web Teams versions. SecurityAffairs – hacking, Top stories 2020).

Firewall 104
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Fortinet addresses 4 vulnerabilities in FortiWeb web application firewalls

Security Affairs

Security vendor Fortinet has addressed four vulnerabilities in FortiWeb web application firewalls, including a Remote Code Execution flaw. Fortinet has addressed four vulnerabilities in FortiWeb web application firewalls that were reported by Positive Technologies expert Andrey Medov. . ” reads the advisory published by Fortinet.

Firewall 108
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Sophos blocked attacks exploiting XG Firewall zero-day to deploy Ransomware

Security Affairs

Hackers attempted to exploit a zero-day flaw in the Sophos XG firewall to distribute ransomware to Windows machines, but the attack was blocked. It was designed to download payloads intended to exfiltrate XG Firewall-resident data. Sophos was informed of the attacks exploiting the zero-day issue by one of its customers on April 22.

Firewall 128
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Recently disclosed CVE-2020-29583 Zyxel flaw already under opportunistic attack

Security Affairs

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 106
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DDoS attacks in Q4 2020

SecureList

In Q4 2020, Citrix ADC (application delivery controller) devices became one such tool, when perpetrators abused their DTLS interface. Overall, Q4 remained within the parameters of 2020 trends. Extortionists’ activity regularly made the news throughout 2020. This trend continued in the last months of 2020.

DDOS 132