CVE-2025-51679
CriticalCVSS 9.1Exploitation Probability (EPSS)
Low risk28th percentile - higher than 28% of all known CVEs
Summary
A vulnerability in openRISC OR1200 (commit 83ac6b) is due to a mismatch between the RTL and netlist, which can lead to unexpected behavior.
Risk Assessment
The mismatch can cause unpredictable processor behavior, potentially leading to system errors or susceptibility to further attacks.
Recommendation
Update the OR1200 design to a newer version that includes the fix. If not possible, thoroughly test the system for unexpected behavior.
Other vulnerabilities in openRISC OR1200
See all- CVE-2025-51677Critical
An output mismatch between the RTL and the netlist of the or1200 cpu output port in openRISC OR1200 (commit 83ac6b) can lead to unexpected behavior.
- CVE-2025-51675High
A vulnerability in openRISC OR1200 (commit 83ac6b) is due to an inaccurate update of program counter (PC) values when SPR changes, which can lead to a Denial of Service (DoS).
Original NVD description (English source)
An issue was discovered in openRISC OR1200 commit 83ac6b. A mismatch between the RTL and netlist can lead to unexpected behavior.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS