How severe is CVE-2025-3548?

CVE-2025-3548 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-3548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3548?

CVE-2025-3548 affects Assimp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3548?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-3548 have an EU (EUVD) identifier?

Yes. CVE-2025-3548 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10859.

When was CVE-2025-3548 published?

CVE-2025-3548 was published on 2025-04-14 and last updated on 2026-06-17.

CVE-2025-3548

CVE-2025-3548 is a medium-severity vulnerability in Assimp with a CVSS 3.x base score of 5.3. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
CVSS v4: 1.9
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10859
Weakness: CWE-119
Affected product: Assimp
Published: 2025-04-14
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp up to 5.4.3. This issue affects the function aiString::Set in the library include/assimp/types.h of the component File Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.

Frequently asked questions

What is CVE-2025-3548?: A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp up to 5.4.3. This issue affects the function aiString::Set in the library include/assimp/types.h of the component File Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.
How severe is CVE-2025-3548?: CVE-2025-3548 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-3548 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3548?: CVE-2025-3548 affects Assimp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3548?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3548 have an EU (EUVD) identifier?: Yes. CVE-2025-3548 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10859.
When was CVE-2025-3548 published?: CVE-2025-3548 was published on 2025-04-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*

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