{"id":"CVE-2025-8007","aliases":["EUVD-2025-27254","GHSA-424r-cv4h-2fmw"],"status":"published","title":"Rockwell Automation 1756-ENT2R, EN4TR, EN4TRXT Vulnerability","description":"A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault. This condition may lead to unexpected system crashes and loss of device availability.","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0026,"percentile":0.17845,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2025-09-09T12:29:50Z","modified":"2026-06-17T10:06:07Z","products":[{"vendor":"rockwell automation","product":"1756-ent2r, 1756-en4tr, 1756-en4trxt"},{"vendor":"rockwellautomation","product":"1756-en2tr_series_a_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tr_series_b_firmware"},{"vendor":"rockwellautomation","product":"1756-en2tr_series_c_firmware"},{"vendor":"rockwellautomation","product":"1756-en4tr_firmware"},{"vendor":"rockwellautomation","product":"1756-en4trxt_firmware"}],"references":[{"url":"https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1739.html","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8007"},{"url":"https://github.com/advisories/GHSA-424r-cv4h-2fmw"}],"sources":{"cve":[{"id":"CVE-2025-8007","title":"Rockwell Automation 1756-ENT2R, EN4TR, EN4TRXT Vulnerability","description":"A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault. This condition may lead to unexpected system crashes and loss of device availability.","status":"published","published":"2025-09-09T12:29:50.522Z","modified":"2025-09-09T13:14:24.284Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:38.025852Z"}],"euvd":[{"id":"EUVD-2025-27254","description":"A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault. This condition may lead to unexpected system crashes and loss of device availability.","status":"published","published":"2025-09-09T12:29:50Z","modified":"2025-09-09T13:14:24Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T20:31:46.000077Z"}],"ghsa":[{"id":"GHSA-424r-cv4h-2fmw","title":"A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules,...","description":"A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault. This condition may lead to unexpected system crashes and loss of device availability.","status":"published","published":"2025-09-09T15:31:18Z","modified":"2025-09-17T18:32:20Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:03:38.691888Z"}],"nvd":[{"id":"CVE-2025-8007","description":"A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault. This condition may lead to unexpected system crashes and loss of device availability.","status":"published","published":"2025-09-09T13:15:32.143Z","modified":"2026-06-17T10:06:07.923Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:11:27.73916Z"}]}}