CVE-2025-51677
OpenRISC OR1200 RTL and Netlist Logic Mismatch
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.
INFO
Published Date :
July 17, 2026, 8:17 p.m.
Last Modified :
July 17, 2026, 8:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-51677
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update openRISC OR1200 to a corrected commit.
- Verify RTL and netlist output consistency.
- Ensure accurate CPU core implementation.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-51677.
| URL | Resource |
|---|---|
| https://github.com/openrisc/mor1kx/issues/160#issuecomment-2585618940 | |
| https://mason.gmu.edu/~rsaravan/projects/synfuzz/cve/cve.html | |
| https://www.arxiv.org/abs/2504.18812 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-51677 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-51677
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-51677 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-51677 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'n/a', 'product': 'n/a', 'versions': [{'status': 'affected', 'version': 'n/a'}]}] Added 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. Added Reference https://github.com/openrisc/mor1kx/issues/160#issuecomment-2585618940 Added Reference https://mason.gmu.edu/~rsaravan/projects/synfuzz/cve/cve.html Added Reference https://www.arxiv.org/abs/2504.18812