CVE-2026-13050: An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted reque

unknownCVE-2026-13050

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd 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 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.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: unknown
Published: 2026-07-03
Last updated: 2026-07-07
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-13050

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-130500.44% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-13050	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[NEW] [high] WatchGuard Firebox: Multiple vulnerabilitiescert-bund

Recent advisories for An Out-of-bounds Write

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-55233: OpenResty is a high performance web platform. From 1.29.2.1 to before 1.29.2.5, an out-of-boun…nvd · 2026-07-10
highCVE-2026-55687: ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. Versions 6.0.1, 5.5.4…nvd · 2026-07-10
unknownCVE-2026-21057: Improper input validation in Samsung Pass prior to version 5.2.10.3 allows local privileged at…nvd · 2026-07-10
unknownCVE-2026-21049: Out-of-bounds write in libpadm.so library prior to SMR Jul-2026 Release 1 allows local attacke…nvd · 2026-07-10
unknownCVE-2026-21048: Out-of-bounds write in parsing DNG format in libimagecodec.media.quram.so prior to SMR Jul-202…nvd · 2026-07-10
unknownCVE-2026-21045: Out-of-bounds write in parsing TIFF format in libimagecodec.media.quram.so prior to SMR Jul-20…nvd · 2026-07-10