Zero Day MonitorZDM
DashboardVulnerabilitiesTrendingZero-DaysNewsAbout
Login
ImpressumPrivacy Policy
Zero Day Monitor © 2026
3244 articles · 170315 vulns · 37/41 feeds (7d)
← Back to list
—
CVE-2026-13383EXPLOITEDPATCHED
watchguard · fireware os

WatchGuard Firebox ikestubd Out of Bounds Write Vulnerability

Description

A vulnerability has been found in WatchGuard Fireware OS up to 12.5.18/12.12/2026.2 and classified as critical. Impacted is an unknown function of the component Requests Handler. Performing a manipulation results in out-of-bounds write.

Affected Products

VendorProductVersions
watchguardfireware os12.1, 12.5, 2025.1, 12.5.18

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
watchguardfireboxcert_advisory90%

References

  • https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00020(vendor-advisory)

Related News (2 articles)

Tier B
BSI Advisories4h ago
[NEU] [hoch] WatchGuard Firebox: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB10h ago
CVE-2026-13383 | WatchGuard Fireware OS up to 12.5.18/12.12/2026.2 Requests out-of-bounds write (wgsa-2026-00020)
→ No new info (linked only)
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00020
CWECWE-787
PublishedJul 2, 2026
Last enriched10h agov2
Trending Score60
Source articles2
Independent2
Info Completeness8/14
Missing: cvss, epss, kev, exploit, iocs, mitre_attack

Community Vote

0
Login to vote
0 upvotes0 downvotes
No votes yet

Related CVEs (5)

CRITICALCVE-2026-13722EXP
WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS
Trending: 60
CRITICALCVE-2026-13384EXP
WatchGuard Firebox wgagent Out of Bounds Write Vulnerability
Trending: 60
CRITICALCVE-2026-13054EXP
WatchGuard Firebox Arbitrary File Write via Path Traversal in Management Web UI
Trending: 60
CRITICALCVE-2026-13050EXP
WatchGuard Firebox networkd Out of Bounds Write Vulnerability
Trending: 60
CRITICALCVE-2026-13053EXP
WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler
Trending: 60

Pin to Dashboard

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, activelyExploited, affectedVersions
Jul 3, 2026

Version History

v2
Last enriched 10h ago
v2Tier C10h ago

Updated severity to CRITICAL, added affected version 12.5.18, and changed exploit availability to false.

descriptionseverityactivelyExploitedaffectedVersions
via VulDB
v115h ago

Initial creation