CVE-2026-13383
published 2026-07-03CVE-2026-13383: An Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd process could allow an authenticated privileged user to execute arbitrary code via a…
PriorityP348high7.2CVSS 3.1
AVNACLPRHUINSUCHIHAH
EPSS
0.72%
52.6th percentile
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| watchguard | fireware | >= 12.1 < 12.12.1 | 12.12.1 |
| watchguard | fireware | 12.5 – 12.5.18 | — |
| watchguard | fireware | >= 2025.1 < 2026.2.1 | 2026.2.1 |
| watchguard | fireware_os | >= 12.1 < 12.12.1 | 12.12.1 |
| watchguard | fireware_os | >= 12.1 < 12.11.9 | 12.11.9 |
| watchguard | fireware_os | >= 12.1 < 12.5.19 | 12.5.19 |
| watchguard | fireware_os | >= 2025.1 < 2026.2.1 | 2026.2.1 |
CVSS provenance
nvdv3.17.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.6HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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VulDB
WatchGuard Fireware OS up to 12.5.18/12.12/2026.2 Requests out-of-bounds write (wgsa-2026-00020 / WID-SEC-2026-2193)
vuldb·2026-08-30·CVSS 7.2
CVE-2026-13383 [HIGH] WatchGuard Fireware OS up to 12.5.18/12.12/2026.2 Requests out-of-bounds write (wgsa-2026-00020 / WID-SEC-2026-2193)
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.
This vulnerability is cataloged as CVE-2026-13383. It is possible to initiate the attack remotely. There is no exploit available.
GHSA
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Managemen
ghsa_unreviewed·2026-07-03
CVE-2026-13383 [HIGH] CWE-787 An Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Managemen
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd 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 12.1 up to and including 12.12 and 2025.1 up to and including 2026.2.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-07-03
Published