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WatchGuard

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critical advisory

WatchGuard Fireware OS: Remote code execution via WireGuard configuration (CVE-2026-103594)

A stack-based buffer overflow in WatchGuard Fireware OS allows remote attackers to trigger a DoS or execute arbitrary code by tampering with FireCloud Gateway configuration payloads via man-in-the-middle attacks.

Fireware OS vulnerability rce dos watchguard network-security
1t 1c updated
high advisory

Credential Harvesting via Lookalike WatchGuard VPN Download Sites

Threat actors are using typosquatted domains to harvest WatchGuard VPN credentials via fake portals before delivering legitimate software to maintain victim trust.

Mobile VPN with SSL phishing credential-harvesting typosquatting vpn watchguard
2t 2i
high advisory

WatchGuard Endpoint Security Kernel Driver Authentication Bypass

A missing authentication vulnerability in the WatchGuard Endpoint Security kernel memory access driver allows local attackers to perform arbitrary kernel memory access, potentially facilitating privilege escalation.

Endpoint Security vulnerability privilege-escalation endpoint-security informational
1t 1c
high advisory

Multiple Vulnerabilities in WatchGuard Fireware OS

WatchGuard Fireware OS is impacted by multiple high-severity vulnerabilities allowing remote attackers to achieve arbitrary code execution, privilege escalation, and denial-of-service.

Fireware OS
2t 1c updated
high advisory

Critical Vulnerabilities in WatchGuard AP Firmware

Multiple vulnerabilities in WatchGuard AP firmware versions prior to 3.4.8, including improper access control and command injection, could allow unauthenticated or authenticated attackers to execute arbitrary commands.

WatchGuard AP vulnerability networking watchguard
2t 3c
high threat

Cyclops Blink Modular Linux Implant Targeting Network-Edge Appliances

The IRON VIKING threat group has deployed an updated modular Cyclops Blink variant on Cisco Firewall Management Center devices, using SysV persistence and masquerading as a kernel thread to conduct reconnaissance and remote operations.

Firewall Management Center +2 IRON VIKING cyclops-blink iron-viking linux modular-malware network-edge
1r updated
high advisory

Multiple Vulnerabilities in WatchGuard Fireware OS

Multiple vulnerabilities in WatchGuard Fireware OS, including the Mobile Security component, allow unauthenticated remote attackers to execute arbitrary code via specially crafted network traffic.

Fireware OS vulnerability network-security remote-code-execution watchguard
2t
critical threat

Qilin Ransomware Claims New Victim in Agriculture and Food Production Sector

The Qilin ransomware group, active since July 2022 and utilizing Golang, has claimed a new victim, Danone (International Delights) in the US Agriculture and Food Production sector, employing double extortion tactics involving data encryption and threatened data release.

www.acosol.es +49 Qilin +1 ransomware double-extortion golang agriculture food-production
2r 13t 5c 178i updated
high advisory

WatchGuard Firebox and Mobile VPN Client Vulnerabilities

WatchGuard has released security advisories to address critical vulnerabilities, including a race condition, use-after-free, and local privilege escalation, in its Fireware OS and Mobile VPN with SSL client for Windows, which could lead to remote code execution on appliances and local privilege escalation on client systems if not patched immediately.

Fireware OS 2025.1 +4 watchguard vulnerability network-device vpn privilege-escalation remote-code-execution
2t
high advisory

WatchGuard Firebox: Multiple Critical Vulnerabilities

Multiple vulnerabilities in WatchGuard Firebox appliances allow a remote, unauthenticated attacker to execute arbitrary code, cause a denial of service, manipulate or disclose data, and perform Cross-Site Scripting attacks, necessitating immediate patching to mitigate critical risks.

Firebox network vulnerability execution impact
2t
high advisory

WatchGuard Agent on Windows Multiple Vulnerabilities

WatchGuard Agent on Windows (version 1.25.02.0000 and prior) is vulnerable to multiple privilege escalation and denial-of-service vulnerabilities, potentially allowing local attackers to execute arbitrary code with SYSTEM privileges or cause a denial of service.

WatchGuard Agent on Windows privilege-escalation denial-of-service windows
2r 2t 5c