{"id":"CVE-2025-41704","aliases":["EUVD-2025-34149","GHSA-qvxv-3qg9-53cr"],"status":"published","title":"Phoenix Contact: Unauthenticated Modbus Service DoS via Crafted Function Code","description":"An unauthanticated remote attacker can perform a DoS of the Modbus service by sending a specific function and sub-function code without affecting the core functionality.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01594,"percentile":0.76033,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2025-10-14T08:05:34Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"phoenix contact","product":"quint4-ups/24dc/24dc/10/eip"},{"vendor":"phoenix contact","product":"quint4-ups/24dc/24dc/20/eip"},{"vendor":"phoenix contact","product":"quint4-ups/24dc/24dc/40/eip"},{"vendor":"phoenix contact","product":"quint4-ups/24dc/24dc/5/eip"}],"references":[{"url":"https://certvde.com/de/advisories/VDE-2025-072"},{"url":"http://seclists.org/fulldisclosure/2025/Oct/12"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41704"},{"url":"https://github.com/advisories/GHSA-qvxv-3qg9-53cr"}],"sources":{"cve":[{"id":"CVE-2025-41704","title":"Phoenix Contact: Unauthenticated Modbus Service DoS via Crafted Function Code","description":"An unauthanticated remote attacker can perform a DoS of the Modbus service by sending a specific function and sub-function code without affecting the core functionality.","status":"published","published":"2025-10-14T08:05:34.171Z","modified":"2025-11-03T17:44:46.483Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:32:31.631102Z"}],"euvd":[{"id":"EUVD-2025-34149","description":"An unauthanticated remote attacker can perform a DoS of the Modbus service by sending a specific function and sub-function code without affecting the core functionality.","status":"published","published":"2025-10-14T08:05:34Z","modified":"2025-11-03T17:44:46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T19:49:35.000596Z"}],"ghsa":[{"id":"GHSA-qvxv-3qg9-53cr","title":"An unauthanticated remote attacker can perform a DoS of the Modbus service by sending a specific...","description":"An unauthanticated remote attacker can perform a DoS of the Modbus service by sending a specific function and sub-function code without affecting the core functionality.","status":"published","published":"2025-10-14T09:31:18Z","modified":"2025-11-03T18:32:51Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:04:17.65818Z"}],"nvd":[{"id":"CVE-2025-41704","description":"An unauthanticated remote attacker can perform a DoS of the Modbus service by sending a specific function and sub-function code without affecting the core functionality.","status":"published","published":"2025-10-14T08:15:35.47Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:11:36.851295Z"}]}}