CVE-2026-13050: CWE-787 in WatchGuard Fireware OS
An out-of-bounds write vulnerability exists in the WatchGuard Fireware OS networkd process that could allow an authenticated privileged user to execute arbitrary code via specially crafted requests to the Management Web UI. This affects Fireware OS versions 11.8 through 11.12.4_Update1, 12.0 through 12.12, and 2025.1 through 2026.2. The vulnerability has a high severity rating with a CVSS score of 7.2.
AI Analysis
Technical Summary
CVE-2026-13050 is an out-of-bounds write vulnerability in the networkd process of WatchGuard Fireware OS. It allows an authenticated privileged user to execute arbitrary code by sending specially crafted requests to the Management Web UI. The affected versions include Fireware OS 11.8 up to and including 11.12.4_Update1, 12.0 up to and including 12.12, and 2025.1 up to and including 2026.2. The CVSS 3.1 base score is 7.2, indicating high severity with network attack vector, low attack complexity, high confidentiality, integrity, and availability impacts, and requiring high privileges but no user interaction.
Potential Impact
Successful exploitation allows an authenticated privileged user to execute arbitrary code on the affected Fireware OS device, potentially leading to full compromise of the system's confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or workaround information is provided in the available data. Until a fix is available, restrict access to the Management Web UI to trusted administrators only and monitor for suspicious activity.
CVE-2026-13050: CWE-787 in WatchGuard Fireware OS
Description
An out-of-bounds write vulnerability exists in the WatchGuard Fireware OS networkd process that could allow an authenticated privileged user to execute arbitrary code via specially crafted requests to the Management Web UI. This affects Fireware OS versions 11.8 through 11.12.4_Update1, 12.0 through 12.12, and 2025.1 through 2026.2. The vulnerability has a high severity rating with a CVSS score of 7.2.
CVSS v4.0
Score 8.6high
Affected software
pkg:github/watchguard/fireware-osRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-13050 is an out-of-bounds write vulnerability in the networkd process of WatchGuard Fireware OS. It allows an authenticated privileged user to execute arbitrary code by sending specially crafted requests to the Management Web UI. The affected versions include Fireware OS 11.8 up to and including 11.12.4_Update1, 12.0 up to and including 12.12, and 2025.1 up to and including 2026.2. The CVSS 3.1 base score is 7.2, indicating high severity with network attack vector, low attack complexity, high confidentiality, integrity, and availability impacts, and requiring high privileges but no user interaction.
Potential Impact
Successful exploitation allows an authenticated privileged user to execute arbitrary code on the affected Fireware OS device, potentially leading to full compromise of the system's confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or workaround information is provided in the available data. Until a fix is available, restrict access to the Management Web UI to trusted administrators only and monitor for suspicious activity.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-j5qg-7rp2-rw7j
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-13050"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a7f43e9bf8831d5395d614a
Added to database: 08/14/2026, 16:35:53 UTC
Last enriched: 08/14/2026, 16:41:40 UTC
Last updated: 08/14/2026, 17:41:18 UTC
Views: 2
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