CVE-2025-51677CWE-116

CVE-2025-51677

Critical · published July 18, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
49.4
In the wild
Unconfirmed
What it is

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.

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:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00626 · 49.4th percentile
Weakness
CWE-116 · Improper Encoding or Escaping of Output
Published
2026-07-18T00:17Z
References (3)
https://github.com/openrisc/mor1kx/issues/160#issuecomment-2585618940 · [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
  • 17 JUL 00:00Z
    An issue was discovered in openRISC OR1200 commit 83ac6b
    cvelistv5