How severe is CVE-2025-54949?

CVE-2025-54949 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-54949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-54949?

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

Does CVE-2025-54949 have an EU (EUVD) identifier?

Yes. CVE-2025-54949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23963.

When was CVE-2025-54949 published?

CVE-2025-54949 was published on 2025-08-07 and last updated on 2026-06-17.

CVE-2025-54949

CVE-2025-54949 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-122.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23963
Weakness: CWE-122
Published: 2025-08-07
Last modified: 2026-06-17

Description

A heap buffer overflow vulnerability in the loading of ExecuTorch models can potentially result in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit ede82493dae6d2d43f8c424e7be4721abe5242be

Frequently asked questions

What is CVE-2025-54949?: A heap buffer overflow vulnerability in the loading of ExecuTorch models can potentially result in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit ede82493dae6d2d43f8c424e7be4721abe5242be
How severe is CVE-2025-54949?: CVE-2025-54949 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-54949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-54949?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-54949 have an EU (EUVD) identifier?: Yes. CVE-2025-54949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23963.
When was CVE-2025-54949 published?: CVE-2025-54949 was published on 2025-08-07 and last updated on 2026-06-17.

References

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