CVE-2025-11743
mediumpriority · track · 0EPSS 0.002 · 8 %ileEURUUSEPSS · scored 2026-10-27
A denial-of-service security issue in the affected product. The security issue occurs when a malformed CIP forward open message is sent. This could result in a major nonrecoverable fault a restart is required to recover.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationCompactLogix 5370cisa_csaf_ot
Rockwell Automation reports that the following versions are fixed:
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (11)
Products and version ranges known to be affected.
- Rockwell Automation CompactLogix® 5370≤ Version 34.013 and prior, Version 35.012 and prior, Version 36.011enisa_euvdEU
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-26-022-03Rockwell Automation CompactLogix 53702026-01-22icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service condition.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
- https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1770.htmlcnnvd
- https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1770.htmlenisa_euvd
- https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1770.htmlnvd
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