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TI-2025-38954 Aliases CVE-2025-62771GHSA-j979-3w8f-32rw

Mercku M6a devices through 2.1.0 allow password changes via intranet CSRF attacks.

Priority HIGH 68CWE-352Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Tampering
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-352.

Summary

Mercku M6a devices through 2.1.0 allow password changes via intranet CSRF attacks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0015 4th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MerckuM6aup to 2.1.0—No fix listedCNA
  • M6a VendorMercku Affected up to 2.1.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-62771
  2. 2026-10-03 Alias added: GHSA-j979-3w8f-32rw

References

Other 2

  • TI-2025-38958 Mercku M6a devices through 2.1.0 allow root TELNET logins via the web admin password. CVSS 3.1HIGH 8.0
  • TI-2025-38957 On Mercku M6a devices through 2.1.0, the authentication system uses predictable session tokens based on timestamps. CVSS 3.1LOW 3.1
  • TI-2025-38955 On Mercku M6a devices through 2.1.0, session tokens remain valid for at least months in some cases. CVSS 3.1LOW 3.1
  • TI-2025-38956 Mercku M6a devices through 2.1.0 allow TELNET sessions via a router.telnet.enabled.update request by an administrator. CVSS 3.1LOW 2.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences