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3123 articles · 170326 vulns · 37/41 feeds (7d)
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CVE-2026-13053EXPLOITEDPATCHED
watchguard · fireware os

WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler

Description

A vulnerability labeled as critical has been found in WatchGuard Fireware OS up to 11.12.4+541730/12.5.18/12.12/2026.2. This impacts an unknown function of the component CLI Handler. Such manipulation leads to out-of-bounds write.

Affected Products

VendorProductVersions
watchguardfireware os11.0, 12.0, 12.5, 2025.1, 11.12.4+541730, 12.5.18

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
watchguardfireboxcert_advisory90%

References

  • https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00030(vendor-advisory)

Related News (2 articles)

Tier B
BSI Advisories6h ago
[NEU] [hoch] WatchGuard Firebox: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB13h ago
CVE-2026-13053 | WatchGuard Fireware OS up to 11.12.4+541730/12.5.18/12.12/2026.2 CLI out-of-bounds write (wgsa-2026-00030)
→ No new info (linked only)
CVSS 3.10.0 CRITICAL
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00030
CWECWE-787
PublishedJul 2, 2026
Last enriched12h agov2
Trending Score59
Source articles2
Independent2
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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CRITICALCVE-2026-13383EXP
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CRITICALCVE-2026-13054EXP
WatchGuard Firebox Arbitrary File Write via Path Traversal in Management Web UI
Trending: 59
CRITICALCVE-2026-13050EXP
WatchGuard Firebox networkd Out of Bounds Write Vulnerability
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CRITICALCVE-2026-13079EXP
WatchGuard Mobile VPN with SSL Windows Client Local Privilege Escalation
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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jul 2, 2026
Actively Exploited
Jul 2, 2026
Patch Available
Jul 2, 2026
Discovered by ZDM
Jul 2, 2026
Updated: description, severity, cvssEstimate, affectedVersions, activelyExploited
Jul 3, 2026

Version History

v2
Last enriched 12h ago
v2Tier C12h ago

Updated severity to CRITICAL, added affected versions 11.12.4+541730 and 12.5.18, and noted that no exploit exists.

descriptionseveritycvssEstimateaffectedVersionsactivelyExploited
via VulDB
v118h ago

Initial creation