{"id":"CVE-2025-51677","aliases":["EUVD-2025-210481","GHSA-27g6-g49f-v47g"],"status":"published","title":"An issue was discovered in openRISC OR1200 commit 83ac6b. An output mismatch between the RTL and...","description":"An issue was discovered in openRISC OR1200 commit 83ac6b. An output mismatch between the RTL and the netlist of the or1200 cpu output port can lead to unexpected behavior.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00626,"percentile":0.50518,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-116"],"published":"2026-07-17T00:00:00Z","modified":"2026-10-13T09:10:00Z","references":[{"url":"https://github.com/openrisc/mor1kx/issues/160#issuecomment-2585618940"},{"url":"https://www.arxiv.org/abs/2504.18812"},{"url":"https://mason.gmu.edu/~rsaravan/projects/synfuzz/cve/cve.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-51677"},{"url":"https://github.com/advisories/GHSA-27g6-g49f-v47g"}],"sources":{"cve":[{"id":"CVE-2025-51677","description":"An issue was discovered in openRISC OR1200 commit 83ac6b. An output mismatch between the RTL and the netlist of the or1200 cpu output port can lead to unexpected behavior.","status":"published","published":"2026-07-17T00:00:00Z","modified":"2026-07-20T18:14:01.358Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:32:30.302289Z"}],"euvd":[{"id":"EUVD-2025-210481","description":"An issue was discovered in openRISC OR1200 commit 83ac6b. An output mismatch between the RTL and the netlist of the or1200 cpu output port can lead to unexpected behavior.","status":"published","published":"2026-07-17T00:00:00Z","modified":"2026-07-20T18:14:01Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:19:48.530346Z"}],"ghsa":[{"id":"GHSA-27g6-g49f-v47g","title":"An issue was discovered in openRISC OR1200 commit 83ac6b. An output mismatch between the RTL and...","description":"An issue was discovered in openRISC OR1200 commit 83ac6b. An output mismatch between the RTL and the netlist of the or1200 cpu output port can lead to unexpected behavior.","status":"published","published":"2026-07-17T21:31:43Z","modified":"2026-07-20T21:32:47Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T15:09:37.555146Z"}],"nvd":[{"id":"CVE-2025-51677","description":"An issue was discovered in openRISC OR1200 commit 83ac6b. An output mismatch between the RTL and the netlist of the or1200 cpu output port can lead to unexpected behavior.","status":"published","published":"2026-07-17T20:17:13.763Z","modified":"2026-10-13T09:10:00.323Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:12:02.535029Z"}]}}