How severe is CVE-2025-12196?

CVE-2025-12196 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-12196 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12196?

CVE-2025-12196 affects Watchguard Fireware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-12196?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-12196 have an EU (EUVD) identifier?

Yes. CVE-2025-12196 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201304.

When was CVE-2025-12196 published?

CVE-2025-12196 was published on 2025-12-04 and last updated on 2026-06-17.

CVE-2025-12196

CVE-2025-12196 is a high-severity vulnerability in Watchguard Fireware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 8.6
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201304
Weakness: CWE-787
Affected product: Watchguard Fireware
Published: 2025-12-04
Last modified: 2026-06-17

Description

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 12.0 up to and including 12.11.4, 12.5 up to and including 12.5.13, and 2025.1 up to and including 2025.1.2.

Frequently asked questions

What is CVE-2025-12196?: 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 12.0 up to and including 12.11.4, 12.5 up to and including 12.5.13, and 2025.1 up to and including 2025.1.2.
How severe is CVE-2025-12196?: CVE-2025-12196 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-12196 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12196?: CVE-2025-12196 affects Watchguard Fireware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-12196?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-12196 have an EU (EUVD) identifier?: Yes. CVE-2025-12196 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201304.
When was CVE-2025-12196 published?: CVE-2025-12196 was published on 2025-12-04 and last updated on 2026-06-17.

References

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00020

Affected products (1)

cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*

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