CVE-2026-8979

Authentication Bypass

State
Published
Severity
9.3 Critical
Published
May 28, 2026
Updated
May 28, 2026
Reserved
May 19, 2026

Read the record on cve.org

Description

The Mennekes Amtron series (firmware versions ≤ 5.22.3) is vulnerable to an authentication bypass. An unauthenticated remote attacker can change the password of the user account via a crafted POST request to the /operator/operator endpoint.

Scores

CVSSScoreVectorSource
4.09.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:PCyberDanube

Weaknesses

Affected Products

ProductVersions
AmtronMennekes
  • 5.22.3 and earlierAffectedfrom 5.33.11-21500Not affected

References

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