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CVE Vulnerability Details :
CVE-2026-8979
PUBLISHED
More InfoOfficial Page
Assigner-CyberDanube
Assigner Org ID-7d092a75-6bbd-48c6-a15a-0297458009bc
View Known Exploited Vulnerability (KEV) details
Published At-28 May, 2026 | 13:05
Updated At-28 May, 2026 | 14:21
Rejected At-
▼CVE Numbering Authority (CNA)
Authentication Bypass

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 Products
Vendor
Mennekes
Product
Amtron
Default Status
affected
Versions
Affected
  • From 0 through 5.22.3 (custom)
    • -> unaffectedfrom5.33.11-21500
Problem Types
TypeCWE IDDescription
CWECWE-287CWE-287 Improper Authentication
Type: CWE
CWE ID: CWE-287
Description: CWE-287 Improper Authentication
Metrics
VersionBase scoreBase severityVector
4.09.3CRITICAL
CVSS: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
Version: 4.0
Base score: 9.3
Base severity: CRITICAL
Vector:
CVSS: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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-115CAPEC-115 Authentication Bypass
CAPEC ID: CAPEC-115
Description: CAPEC-115 Authentication Bypass
Solutions
Configurations
Workarounds
Exploits
Credits
finder
S. Eisenreich-Dietz (CyberDanube)
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/
N/A
Hyperlink: https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/
exploit
Hyperlink: https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/
Resource:
exploit
Details not found