CVE-2025-51679CWE-1281

CVE-2025-51679

Critical · published August 27, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
28.1
In the wild
Unconfirmed
What it is

An issue was discovered in openRISC OR1200 commit 83ac6b. A mismatch between the RTL and netlist can lead to unexpected behavior.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00352 · 28.1th percentile
Weakness
CWE-1281 · Sequence of Processor Instructions Leads to Unexpected Behavior
Published
2026-08-27T01:16Z
References (3)
https://github.com/openrisc/mor1kx/issues/161 · [email protected]https://mason.gmu.edu/~rsaravan/projects/synfuzz/cve/cve.html · [email protected]https://www.arxiv.org/abs/2504.18812 · [email protected]
EPSS history
Timeline
  • 28 AUG 06:19Z
    EPSS moved — → 0%
    epss
  • 26 AUG 00:00Z
    An issue was discovered in openRISC OR1200 commit 83ac6b
    cvelistv5