CVE-2026-13050: CWE-787 in WatchGuard Fireware OS
CVE-2026-13050 is an out-of-bounds write vulnerability in the WatchGuard Fireware OS networkd process. It affects certain versions of Fireware OS and could allow an authenticated privileged user to execute arbitrary code via specially crafted requests to the Management Web UI. The vulnerability has a high severity with a CVSS score of 8.6. There is no explicit vendor advisory or patch information provided in the input data.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-13050) involves an out-of-bounds write (CWE-787) in the networkd process of WatchGuard Fireware OS. An authenticated user with privileged access can exploit this flaw by sending specially crafted requests to the Management Web UI, potentially leading to arbitrary code execution. The CVSS 3.1 base score is 8.6, indicating high severity with network attack vector, low attack complexity, no user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an authenticated privileged user to execute arbitrary code on the affected system, potentially compromising the device's confidentiality, integrity, and availability. This could lead to full control over the Fireware OS device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the input data. Until a patch is available, restrict privileged user access to the Management Web UI and monitor for suspicious activity.
CVE-2026-13050: CWE-787 in WatchGuard Fireware OS
Description
CVE-2026-13050 is an out-of-bounds write vulnerability in the WatchGuard Fireware OS networkd process. It affects certain versions of Fireware OS and could allow an authenticated privileged user to execute arbitrary code via specially crafted requests to the Management Web UI. The vulnerability has a high severity with a CVSS score of 8.6. There is no explicit vendor advisory or patch information provided in the input data.
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
This vulnerability (CVE-2026-13050) involves an out-of-bounds write (CWE-787) in the networkd process of WatchGuard Fireware OS. An authenticated user with privileged access can exploit this flaw by sending specially crafted requests to the Management Web UI, potentially leading to arbitrary code execution. The CVSS 3.1 base score is 8.6, indicating high severity with network attack vector, low attack complexity, no user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an authenticated privileged user to execute arbitrary code on the affected system, potentially compromising the device's confidentiality, integrity, and availability. This could lead to full control over the Fireware OS device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the input data. Until a patch is available, restrict privileged user access to the Management Web UI 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"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7f43e9bf8831d5395d614a
Added to database: 08/14/2026, 16:35:53 UTC
Last enriched: 09/12/2026, 03:17:11 UTC
Last updated: 09/29/2026, 01:47:40 UTC
Views: 48
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.