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CVE-2026-8979

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c3fcb30255469d5a6b214a256d99a62804128c015733937193ac9a7a61dfcacf
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"Amtron","vendor":"Mennekes","versions":[{"changes":[{"at":"5.33.11-21500","status":"unaffected"}],"lessThanOrEqual":"5.22.3","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:70efacd5505094f554730e39b618e82b3d374791380accb7fcf6bc3469dac8b8 · sha256:266c01f57056225c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","vulnAvailabilityImpact":"HIGH","vulnConfidentia…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:70efacd5505094f554730e39b618e82b3d374791380accb7fcf6bc3469dac8b8 · sha256:266c01f57056225c… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:70efacd5505094f554730e39b618e82b3d374791380accb7fcf6bc3469dac8b8 · sha256:266c01f57056225c… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:70efacd5505094f554730e39b618e82b3d374791380accb7fcf6bc3469dac8b8 · sha256:266c01f57056225c… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:70efacd5505094f554730e39b618e82b3d374791380accb7fcf6bc3469dac8b8 · sha256:266c01f57056225c… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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