Fireware OS Link Following in firewalld Allows Local Arbitrary File Overwrite as Root
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 2026.4, 12.12.4, 12.5.22
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
The affected software is WatchGuard Fireware OS, specifically its firewall daemon (firewalld). A local attacker who can already run code as a low-privileged system process could use this flaw to overwrite arbitrary files with root privileges and alter firewall IP set data.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- WatchGuard Fireware OS
From 2025.1 · fixed in 2026.4; From 12.0 · fixed in 12.12.4
- WatchGuard Fireware OS
From 12.0 · fixed in 12.5.22