Is CVE-2025-3408 actively exploited?

No active exploitation of CVE-2025-3408 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-3408 be exploited remotely?

Yes. CVE-2025-3408 is exploitable remotely over the network (CVSS attack vector: Network).

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

CVE-2025-3408 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2025-3408

CWE-189Published: April 8, 2025· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2025-3408 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.