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CVE-2026-51541

OpENer 2.3.0 (commit 76b95cf) has an out-of-bounds read issue in CIP message parsing when handling malformed explicit requests with a forged EPath size. An attacker can send a valid ENIP SendRRData frame carrying a very short CIP payload whose path_size field claims that many more path words are present than are actually available. Because the parser trusts the attacker-controlled path_size and continues decoding path segments without a remaining-length boundary, it reads beyond the end of the s
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:118f411a613d722c8647f7804dbb08f3bf86d1d19d365bc28d48fea66b084405
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:392f6733955c1da728d8db6750646a643e833c470684c6d12f28db02c653c321 · sha256:fb709bc296890095… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:392f6733955c1da728d8db6750646a643e833c470684c6d12f28db02c653c321 · sha256:fb709bc296890095… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:392f6733955c1da728d8db6750646a643e833c470684c6d12f28db02c653c321 · sha256:fb709bc296890095… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:392f6733955c1da728d8db6750646a643e833c470684c6d12f28db02c653c321 · sha256:fb709bc296890095… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:392f6733955c1da728d8db6750646a643e833c470684c6d12f28db02c653c321 · sha256:fb709bc296890095… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:392f6733955c1da728d8db6750646a643e833c470684c6d12f28db02c653c321 · sha256:fb709bc296890095… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://gist.github.com/MrAlaskan/705c680856e48c535148265c0899ad4b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:392f6733955c1da728d8db6750646a643e833c470684c6d12f28db02c653c321 · sha256:fb709bc296890095… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/EIPStackGroup/OpENer/issues/582"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:392f6733955c1da728d8db6750646a643e833c470684c6d12f28db02c653c321 · sha256:fb709bc296890095… · /containers/adp/0/references/0
{"url":"https://github.com/EIPStackGroup/OpENer/issues/582"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:392f6733955c1da728d8db6750646a643e833c470684c6d12f28db02c653c321 · sha256:fb709bc296890095… · /containers/cna/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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