Is there a public exploit for CVE-2026-125402?

No public exploit for CVE-2026-125402 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-2026-125402?

CVE-2026-125402 scores CVSS 7.2 (v4.0), rated high.

What does CVE-2026-125402 affect?

CVE-2026-125402 affects ettercap ettercap.

7.2 High

Ettercap through 0.8.4.1 contains a heap out-of-bounds read vulnerability in sslwgetclienthellosni() in src/ecsslwrap.c that trusts the…

CVE-2026-125402

Ettercap through 0.8.4.1 contains a heap out-of-bounds read vulnerability in sslwgetclienthellosni() in src/ecsslwrap.c that trusts the unchecked 16-bit SNI length field. Network-adjacent attackers can send crafted TLS ClientHello messages during SSL interception to leak up to 64 KB of heap memory upstream or crash Ettercap.

Assessment

CVSS: 7.2 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 9 November 2026
Last updated: 9 November 2026
Affected: ettercap · ettercap
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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