CVE-2026-8247 WatchGuard Firebox admd Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the same local network segment to execute arbitrary code. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4Update1, 12.0 up to and including 12.12 and 2025.1 up to and...

CVE-2026-13728 WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential Database

In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources. This vulnerability affects Fireware OS 12.1 up to and including 12.12 and 2025.1 up to and including 2026.2. This vulnerability does no...

CVE-2026-13728

WatchGuard Fireware OS on a FireCluster is affected by CVE-2026-13728. Affected versions include Fireware OS 12.1 through 12.12, and 2025.1 through 2026.2. In exception circumstances, an embedded encryption key is used to encrypt saved credentials for Access Portal resources, which constitutes th...

CVE-2026-13728

In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources. This vulnerability affects Fireware OS 12.1 up to and including 12.12 and 2025.1 up to and including 2026.2. This vulnerability does no...

CVE-2026-13084

A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service DoS condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using...

CVE-2026-13084

CVE-2026-13084 is a null pointer dereference in WatchGuard Fireware OS iked process that enables remote unauthenticated DoS via specially crafted IKEv2 messages. Affected are Fireware OS versions 11.10.2–11.12.4_Update1, 12.0–12.12, and 2025.1–2026.2; impact is high (CVSS 8.7) with network attack...

CVE-2026-13084 Null Pointer Dereference in WatchGuard Fireware OS iked Process

A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service DoS condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using...

CVE-2026-13368

WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that...

CVE-2026-13368

WatchGuard Fireware OS contains a race condition that leads to a use-after-free in LDAP authentication for Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this to execute arbitrary code in the iked process on Fireboxes configured to use an external LDAP authentication ...

CVE-2026-13722

WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.This vulnerability affects Fireware OS 11.0 up to and including...

CVE-2026-13722 WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS

WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.This vulnerability affects Fireware OS 11.0 up to and including...

CVE-2026-13722

CVE-2026-13722 concerns WatchGuard Fireware OS. The issue is a firmware validation bypass when processing a backup image via the backup/restore feature, enabling an authenticated administrator to install a tampered firmware image. Affected are Fireware OS versions: 11.0–11.12.4_Update1, 12.0–12.1...

CVE-2026-13384

CVE-2026-13384 is an Out-of-bounds Write vulnerability in WatchGuard Fireware OS wgagent. An authenticated privileged user could remotely execute arbitrary code via specially crafted requests to the Management Web UI. Affected: Fireware OS 12.1–12.12 and 2025.1–2026.2. CVSS details indicate netwo...

CVE-2026-13384 WatchGuard Firebox wgagent Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS wgagent process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.This vulnerability affects Fireware OS 12.1 up to and including 12.12 and 2025.1 up to an...

CVE-2026-13383

CVE-2026-13383 is an Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd. An authenticated privileged user could potentially execute arbitrary code via specially crafted requests to the Management Web UI. Affected: Fireware OS 12.1–12.12 and 2025.1–2026.2. Impact severity is high...

CVE-2026-13383 WatchGuard Firebox ikestubd Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.This vulnerability affects Fireware OS 12.1 up to and including 12.12 and 2025.1 up to a...

CVE-2026-13377 WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in SIP Proxy Configuration

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS SIP Proxy module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-6947. This issue affects Fireware OS 12.0 up to and...

CVE-2026-13377

WatchGuard Fireware OS SIP Proxy module is affected by a Stored XSS via improper input neutralization during web page generation. The vulnerability affects Fireware OS versions 12.0–12.12, 12.5–12.5.18, and 2025.1–2026.2. Root cause: improper sanitization in the SIP Proxy configuration web interf...

CVE-2026-13376

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS spamBlocker module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-1071. This issue affects Fireware OS 12.0 up to and...

CVE-2026-13376 WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in spamBlocker Module

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS spamBlocker module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-1071. This issue affects Fireware OS 12.0 up to and...