{"id":"CVE-2025-55221","title":"A denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Function functionality of Socomec DIRIS Digiware M-70 1.6.9","summary":"A denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Function functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted network packet can lead to a denial of service. An attacker can send …","severity":"high","cvss":8.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","cwe":["CWE-306"],"vendor":"socomec","product":"diris_m-70_firmware","affected":["diris_m-70_firmware = 1.6.9"],"published":"2025-12-01","updated":"2026-09-26","sourceUpdated":"2026-09-26T00:10:00.127","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-55221","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2251","label":"talos-cna@cisco.com"}],"tags":["nvd"],"epss":0.00419,"epssPercentile":0.33543,"ingestedAt":"2026-09-26T00:22:39.985Z","slug":"CVE-2025-55221","body":"## Overview\n\nA denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Function functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted network packet can lead to a denial of service. An attacker can send an unauthenticated packet to trigger this vulnerability.This vulnerability is specific to the malicious message sent via Modbus TCP over port 502.\n\n## Affected\n\n- `diris_m-70_firmware = 1.6.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":47.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}