Is there a public exploit for CVE-2026-121513?

No public exploit for CVE-2026-121513 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-121513?

CVE-2026-121513 scores CVSS 7.5 (v3.1), rated high.

What does CVE-2026-121513 affect?

CVE-2026-121513 affects D3TN GmbH µD3TN.

7.5 High

Off-by-one Heap Overflow in µD3TN v0.15.1 SPP Parser allows Unauthenticated Remote Attacker to Reliably Cause DoS

CVE-2026-121513

Assessment

CVSS: 7.5 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Affected: D3TN GmbH · µD3TN
Assigner: GitLab

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

At the source

EUVD (ENISA)

References

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