{"id":"CVE-2025-55221","aliases":["EUVD-2025-200036","GHSA-cmc7-964c-85jp"],"status":"published","title":"A denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Function...","description":"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 an unauthenticated packet to trigger this vulnerability.This vulnerability is specific to the malicious message sent via Modbus TCP over port 502.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00449,"percentile":0.39328,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2025-12-01T15:25:06Z","modified":"2026-09-26T00:10:00Z","products":[{"vendor":"socomec","product":"diris digiware m-70"},{"vendor":"socomec","product":"diris_m-70_firmware"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2251","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55221"},{"url":"https://github.com/advisories/GHSA-cmc7-964c-85jp"}],"sources":{"cve":[{"id":"CVE-2025-55221","description":"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 an unauthenticated packet to trigger this vulnerability.This vulnerability is specific to the malicious message sent via Modbus TCP over port 502.","status":"published","published":"2025-12-01T15:25:06.962Z","modified":"2025-12-01T20:14:33.387Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:32:52.526476Z"}],"euvd":[{"id":"EUVD-2025-200036","description":"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 an unauthenticated packet to trigger this vulnerability.This vulnerability is specific to the malicious message sent via Modbus TCP over port 502.","status":"published","published":"2025-12-01T15:25:06Z","modified":"2025-12-01T20:14:33Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:11.471499Z"}],"ghsa":[{"id":"GHSA-cmc7-964c-85jp","title":"A denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Function...","description":"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 an unauthenticated packet to trigger this vulnerability.This vulnerability is specific to the malicious message sent via Modbus TCP over port 502.","status":"published","published":"2025-12-01T18:30:38Z","modified":"2025-12-01T18:30:44Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:04:59.670278Z"}],"nvd":[{"id":"CVE-2025-55221","description":"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 an unauthenticated packet to trigger this vulnerability.This vulnerability is specific to the malicious message sent via Modbus TCP over port 502.","status":"published","published":"2025-12-01T16:15:54.443Z","modified":"2026-09-26T00:10:00.127Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:11:46.94029Z"}]}}