CVE-2026-13053
published 2026-07-03CVE-2026-13053: An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially…
PriorityP349high7.2CVSS 3.1
AVNACLPRHUINSUCHIHAH
EPSS
0.64%
49.4th percentile
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| watchguard | fireware | >= 11.0 < 12.12.1 | 12.12.1 |
| watchguard | fireware | 11.0 – 12.5.18 | — |
| watchguard | fireware | >= 2025.1 < 2026.2.1 | 2026.2.1 |
| watchguard | fireware_os | >= 11.0 < * | * |
| watchguard | fireware_os | >= 12.0 < 12.12.1 | 12.12.1 |
| watchguard | fireware_os | >= 12.0 < 12.11.9 | 12.11.9 |
| watchguard | fireware_os | >= 12.0 < 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 11.12.4+541730/12.5.18/12.12/2026.2 CLI out-of-bounds write (wgsa-2026-00030 / WID-SEC-2026-2193)
vuldb·2026-08-30·CVSS 7.2
CVE-2026-13053 [HIGH] WatchGuard Fireware OS up to 11.12.4+541730/12.5.18/12.12/2026.2 CLI out-of-bounds write (wgsa-2026-00030 / WID-SEC-2026-2193)
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.
This vulnerability is uniquely identified as CVE-2026-13053. The attack can be launched remotely. No exploit exists.
GHSA
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.
ghsa_unreviewed·2026-07-03
CVE-2026-13053 [HIGH] CWE-787 An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.
This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 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