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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. […].

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Threat actor leaked config files and VPN passwords for over Fortinet Fortigate devices

Security Affairs

A previously unknown threat actor released config files and VPN passwords for Fortinet FortiGate devices on a popular cybercrime forum. A previously unknown threat actor named Belsen Group published configuration files and VPN passwords for over 15,000 Fortinet FortiGate appliances. “2025 will be a fortunate year for the world.

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Best of 2024: If You are Reachable, You Are Breachable, and Firewalls & VPNs are the Front Door 

Security Boulevard

Firewalls and VPN appliances are critical gateways. The post Best of 2024: If You are Reachable, You Are Breachable, and Firewalls & VPNs are the Front Door appeared first on Security Boulevard. Like all on-prem systems, a vulnerability can lead to a compromise that is used to open the door for attackers.

Firewall 119
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Threat Spotlight: Credential Theft vs. Admin Control—Two Devastating Paths to VPN Exploitation

Digital Shadows

Key Findings Even years after their disclosure, VPN-related vulnerabilities like CVE-2018-13379 and CVE-2022-40684 remain essential tools for attackers, driving large-scale campaigns of credential theft and administrative control. How AI and automation are amplifying the scale and sophistication of VPN attacks.

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A new campaign is likely targeting a zero-day in Fortinet FortiGate firewalls

Security Affairs

Experts warn of a new campaign targeting an alleged zero-day in Fortinet FortiGate firewalls with management interfaces exposed online. Arctic Wolf researchers observed a campaign targeting Fortinet FortiGate firewalls with exposed management interfaces, likely exploiting a zero-day vulnerability. ” continues the advisory.

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Zyxel firewalls targeted in recent ransomware attacks

Security Affairs

Zyxel warns that a ransomware group has been observed exploiting a recently patched command injection issue in its firewalls. Zyxel warns that a ransomware gang has been observed exploiting a recently patched command injection vulnerability, tracked as CVE-2024-42057, in its firewalls for initial compromise.

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SonicWall warns of an exploitable SonicOS vulnerability

Security Affairs

SonicWall warns customers to address an authentication bypass vulnerability in its firewall’s SonicOS that is “susceptible to actual exploitation.” The vulnerability resides in SSL VPN and SSH management and according to the vendor is “susceptible to actual exploitation.” NSv firewalls: SonicOS 6.5.4.v-21s-RC2457

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