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01 Record

CVE-2025-14733

WatchGuard Firebox iked Out of Bounds Write Vulnerability

CriticalKEVPUBLISHEDCNA: WatchGuard
CNA base score9.3 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Red

02 Description

WatchGuard Firebox iked Out of Bounds Write Vulnerability

03 Exploitation and scoring

Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-12-19. Federal remediation due 2025-12-26. Known ransomware campaign use: reported by CISA.
SSVC decision
  • ExploitationactiveCISA reports credible evidence of active exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
29.42% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 98.1% of scored records. A rank, not a probability.
NVD base score
9.3 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:Red
NVD analysis status
Analyzed. NVD last modified this record on 2026-09-09.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-12-19 00:01Z10 MO AGO
Last updated
2026-09-09 04:18Z1 MO AGO
Reserved
2025-12-15
Assigning CNA
WatchGuard
Record state
PUBLISHED
Severity
Critical (CVSS 9.3)
CNA CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Red
Weaknesses
Data version
5.2
Document digest
eade0e0d13b4f8d36795aefa1fe8e9e15fe5995e00eb878a8fa7e3632e682932

05 Affected products

VendorProductVersionsPlatforms
WatchGuardFireware OS2025.1 to < 2025.1.4, 12.0 to < 12.11.6, 11.10.2 to 11.12.4+541730, 12.0 to < 12.3.1+728352, 12.0 to < 12.5.15Default, FIPS, T15/T35

06 References

07 Remediation

Fireware OS 2025.1.4, Fireware OS 12.11.6, Fireware OS 12.5.15, Fireware OS 12.3.1-b728352 In addition to installing the latest Fireware OS that contains the fix, administrators that have confirmed threat actor activity on their Firebox appliances must take precautions to rotate all locally stored secrets on vulnerable Firebox appliances as described in our Best Practices to Rotate Shared Secrets Stored on the Firebox knowledge base article (https://techsearch.watchguard.com/KB?type=Article&SFDCID=kA1Vr000000DNMzKAO&lang=en_US).