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CVE-2026-10703

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fa4ddcdf05af9f0a56156727bbd4814dfb857e0ae787581ab1d845bcae297388
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-416","description":"Use After Free","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:eipstackgroup:opener:*:*:*:*:*:*:*:*"],"modules":["SendRRData Handler"],"product":"OpENer","vendor":"EIPStackGroup","versions":[{"status":"affected","version":"2.0"},{"status":"affected","version":"2.1"},{"status":"affected","version":"2.2"},{"status":"affected","version":"2.3.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-416","description":"Use After Free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"tags":["product"],"url":"https://github.com/EIPStackGroup/OpENer/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/references/6
{"tags":["issue-tracking"],"url":"https://github.com/EIPStackGroup/OpENer/issues/566"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/references/4
{"tags":["exploit"],"url":"https://github.com/user-attachments/files/27100961/poc.zip"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/references/5
{"name":"CVE-2026-10703 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-10703"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/references/2
{"name":"Submit #830921 | Linux OpENer (Open EtherNet/IP Stack) lastet Use After Free","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/830921"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/references/3
{"name":"VDB-368016 | EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/368016"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/references/0
{"name":"VDB-368016 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/368016/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c94f73d7aaa0e7d678928c0b20c0edd4327e5f953a71f96614b4b8a2f628dd3b · sha256:36de725b963ce354… · /containers/cna/references/1

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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