CVE-2025-51677

Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Published 2026-07-17. Last modified 2026-07-23.