Description
A link following vulnerability in WatchGuard Fireware OS’s firewall daemon allows a local attacker with code execution as a low-privileged system process to overwrite arbitrary files with root privileges, and to tamper with firewall IP set data, by planting a crafted file system object and triggering a list update. Written content is partially constrained.
Published: 2026-10-27
Score: 7.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22

Tracking

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Advisories

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History

Tue, 27 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
Description A link following vulnerability in WatchGuard Fireware OS’s firewall daemon allows a local attacker with code execution as a low-privileged system process to overwrite arbitrary files with root privileges, and to tamper with firewall IP set data, by planting a crafted file system object and triggering a list update. Written content is partially constrained.
Title Fireware OS Link Following in firewalld Allows Local Arbitrary File Overwrite as Root
First Time appeared Watchguard
Watchguard fireware Os
Weaknesses CWE-22
CWE-377
CWE-59
CWE-73
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard fireware Os
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H'}

Subscriptions

Watchguard Fireware Os
cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-10-27T15:52:27.765Z

Reserved: 2026-09-18T19:22:02.492Z

Link: CVE-2026-93864

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-27T16:17:32.710

Modified: 2026-10-27T16:17:32.710

Link: CVE-2026-93864

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses