Is CVE-2025-3408 in the CISA KEV catalog?

No. CVE-2025-3408 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-3408?

CVE-2025-3408 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2025-3408?

CVE-2025-3408 has an EPSS score of 0.43% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-3408?

No published fix for CVE-2025-3408 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-3408

MEDIUM

6.3

CVSS v3

NVD

Description

A vulnerability was found in Nothings stb up to f056911. It has been rated as critical. Affected by this issue is the function stb_dupreplace. The manipulation leads to integer overflow. The attack may be launched remotely. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

CWE-189 CWE-190Integer Overflow

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Exploit Intelligence

0.43%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Third-Party Advisory2

VDB Entry1

vuldb.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-19.