CVE-2025-8008
mediumpriority · track · 26EPSS 0.007 · 52 %ileEUUSEPSS · scored 2026-10-27
A security issue exists in the protected mode of EN4TR devices, where sending specifically crafted messages during a Forward Close operation can cause the device to crash.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- Mitigation1756-EN4TRcisa_csaf_ot
Rockwell Automation also recommends users follow their published Security Best Practices.
https://support.rockwellautomation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight - Mitigation1756-EN4TRXTcisa_csaf_ot
Rockwell Automation also recommends users follow their published Security Best Practices.
https://support.rockwellautomation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight
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 (10)
Products and version ranges known to be affected.
- rockwellautomation 1756-en2tr series a firmware< 7.001nvdUScpe:2.3:o:rockwellautomation:1756-en2tr_series_a_firmware:*:*:*:*:*:*:*:*
- rockwellautomation 1756-en2tr series b firmware< 7.001nvdUScpe:2.3:o:rockwellautomation:1756-en2tr_series_b_firmware:*:*:*:*:*:*:*:*
- rockwellautomation 1756-en2tr series c firmware< 7.001nvdUScpe:2.3:o:rockwellautomation:1756-en2tr_series_c_firmware:*:*:*:*:*:*:*:*
- rockwellautomation 1756-en4tr firmware< 7.001nvdUScpe:2.3:o:rockwellautomation:1756-en4tr_firmware:*:*:*:*:*:*:*:*
- rockwellautomation 1756-en4trxt firmware< 7.001nvdUScpe:2.3:o:rockwellautomation:1756-en4trxt_firmware:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-25-226-31Rockwell Automation 1756-EN4TR, 1756-EN4TRXT (Update B)2025-08-14icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could result in an attacker causing a denial of service condition.
also known as (3)
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.SD1739.htmlcnnvd
- https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1739.htmlenisa_euvd
- https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1739.htmlVendor Advisorynvd
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