by Kastro
Paper/Archive/CVE-2026-8979

CVE-2026-8979

Mennekes Amtron — Authentication Bypass

EPSS 0.8%public exploitCVSS 9.3
critical.is priorityof 100
49
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 56.1.561 × 2011.2Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Amtron≤ 5.22.3–CNA

Scores by source

CyberDanube (CNA)9.3CVSS: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:P
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitcyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series