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Cisco warns of password-spraying attacks targeting VPN services

Bleeping Computer

Cisco has shared a set of recommendations for customers to mitigate password-spraying attacks that have been targeting Remote Access VPN (RAVPN) services configured on Cisco Secure Firewall devices. [.]

VPN 140
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Zyxel warns of critical vulnerabilities in firewall and VPN devices

Bleeping Computer

Zyxel is warning customers of two critical-severity vulnerabilities in several of its firewall and VPN products that attackers could leverage without authentication. [.]

Firewall 115
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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. […].

Firewall 292
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Cisco warns of large-scale brute-force attacks against VPN and SSH services

Security Affairs

Cisco Talos warns of large-scale brute-force attacks against a variety of targets, including VPN services, web application authentication interfaces and SSH services.

VPN 101
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Zyxel firewall and VPN devices affected by critical flaws

Security Affairs

Zyxel fixed two critical flaws in multiple firewall and VPN products that can lead to remote code execution or cause a DoS condition. Zyxel addressed two critical buffer overflow vulnerabilities, tracked as CVE-2023-33009 and CVE-2023-33010 , that affect several of its firewall and VPN products. Patch 2 VPN ZLD V4.30

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Zyxel Issues Critical Security Patches for Firewall and VPN Products

The Hacker News

Zyxel has released software updates to address two critical security flaws affecting select firewall and VPN products that could be abused by remote attackers to achieve code execution. Both the flaws – CVE-2023-33009 and CVE-2023-33010 – are buffer overflow vulnerabilities and are rated 9.8 out of 10 on the CVSS scoring system.

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Fortinet fixes critical vulnerabilities in SSL VPN and web firewall

Bleeping Computer

The vulnerabilities range from Remote Code Execution to SQL Injection, to Denial of Service (DoS) and impact the FortiProxy SSL VPN and FortiWeb Web Application Firewall (WAF) products. [.]. Fortinet has fixed multiple severe vulnerabilities impacting its products.

Firewall 144