WatchGuard Firebox Fireware OS 安全漏洞

WatchGuard Firebox Fireware OS is an operating system developed by the American company WatchGuard, designed to provide security protection and traffic control capabilities for firewall devices. Vulnerabilities exist in versions 12.6.1 to 12.11.8, as well as in versions 2025.1 to 2026.1.2 of...

PT-2026-29637

Name of the Vulnerable Software and Affected Versions WatchGuard Firebox systems with Fireware OS versions 12.6.1 through 12.11.8 and 2025.1 through 2026.1.2 Description A path traversal vulnerability exists in the Fireware OS Web UI. A privileged, authenticated remote attacker may be able to...

CVE-2026-4315

A Cross-Site Request Forgery CSRF vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service DoS condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.This issue affects Fireware OS: 11....

CVE-2026-4266

An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user.This issue affects Fireware OS: 12.1 through 12.11.8 and 2025.1...

EUVD-2026-17081

A Cross-Site Request Forgery CSRF vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service DoS condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.This issue affects Fireware OS: 11....

EUVD-2026-17079

An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user.This issue affects Fireware OS: 12.1 through 12.11.8 and 2025.1...

CVE-2026-4315

A Cross-Site Request Forgery CSRF vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service DoS condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page...

CVE-2026-4266

An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user. Note, this vulnerability does not affect Firebox platforms that...

CVE-2026-4315 WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fireware Web UI

A Cross-Site Request Forgery CSRF vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service DoS condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page...

CVE-2026-4315

A Cross-Site Request Forgery CSRF vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service DoS condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page...

CVE-2026-4315 WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fireware Web UI

A Cross-Site Request Forgery CSRF vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service DoS condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page...

CVE-2026-4315

WatchGuard Fireware OS WebUI CSRF leads to DoS when an authenticated admin visits a malicious page. Affected versions are Fireware OS 11.8–11.12.4+541730, 12.0–12.11.8, and 2025.1–2026.1.2. No exploit details or mitigations are provided here; refer to the watchdog advisory (WGSA-2026-00006) for g...

CVE-2026-4266

An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user. Note, this vulnerability does not affect Firebox platforms that...

CVE-2026-4266 WatchGuard Firebox Insecure Deserialization in Fireware Access Portal

An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user. Note, this vulnerability does not affect Firebox platforms that...

PT-2026-29022

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS versions 12.1 through 12.11.8 WatchGuard Fireware OS versions 2025.1 through 2026.1.2 Description An Insecure Deserialization issue exists in WatchGuard Fireware OS. An attacker gaining write access to the local filesyst...

WatchGuard Fireware OS 安全漏洞

WatchGuard Fireware OS is a software operated by the American company WatchGuard, running on Firebox devices. Versions 12.1 to 12.11.8 and 2025.1 to 2026.1.2 of WatchGuard Fireware OS contain security vulnerabilities due to insecure deserialization, which may allow arbitrary code to be executed i...

CVE-2026-4266: Deserialization of Untrusted Data

An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user. Note, this vulnerability does not affect Firebox platforms that...

CVE-2026-4315: Cross-Site Request Forgery (CSRF)

A Cross-Site Request Forgery CSRF vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service DoS condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page...

WatchGuard Fireware OS 安全漏洞

WatchGuard Fireware OS is a software operated by the American company WatchGuard, running on Firebox devices. Vulnerabilities exist in versions 11.8 to 11.12.4+541730, 12.0 to 12.11.8, and 2025.1 to 2026.1.2 of WatchGuard Fireware OS. The vulnerability stems from cross-site request forgery in the...

CVE-2026-4266

creationtimestamp| type| source ---|---|--- 2026-03-27 13:39:45+00:00| seen| https://cyber.gc.ca/en/alerts-advisories/watchguard-security-advisory-av26-289 2026-03-27 16:01:47+00:00| seen| https://bsky.app/profile/pigondrugs.bsky.social/post/3mi2ij54vyq2f 2026-03-30 15:22:38+00:00| seen|...