High severity · published Dec 4, 2025
CVE-2025-12026
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s certificate request command could allow an authenticated privileged user to execute arbitrary code via specially…
7.2
CVSS
0.4%
EPSS
No
On KEV
Description
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s certificate request command could allow an authenticated privileged user to execute arbitrary code via specially crafted CLI commands.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Fireware · Watchguard
2025.1 before 2025.1.3; 12.0.0 before 12.11.5; 12.5 before 12.5.14 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-12026
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-12026
psirt.watchguard.com
https://psirt.watchguard.com/CVE-2025-12026
Vendor Advisory
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00017
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