CVE-2025-51677

CRITICAL

Published Jul 17, 2026 Modified Jul 23, 2026 CWE-116

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.

Is your site exposed to CVE-2025-51677?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS — Exploit Prediction

0.0043

Probability of exploitation

0.35%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-116 CWE-116

References

Other References

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

Frequently Asked Questions

What is CVE-2025-51677? +

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. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2025-51677? +

CVE-2025-51677 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0043, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2025-51677? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-34141

A reflected cross-site scripting (XSS) vulnerability exists in ETQ Reliance CG (legacy) platform within the `SQLConverterServlet` component. This vulnerability requires …

CVE-2024-9348

Docker Desktop before v4.34.3 allows RCE via unsanitized GitHub source link in Build view.

CVE-2025-32072

Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki Core - Feed Utils allows WebView Injection.This issue …

CVE-2025-1308

A vulnerability exists in PX Backup whereby sensitive information may be logged under specific conditions.

CVE-2025-32078

Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - Version Compare Extension allows Cross-Site Scripting (XSS).This …

CVE-2026-46496

HAX CMS helps manage microsite universe with PHP or NodeJs backends. A stored cross-site scripting (XSS) vulnerability exists in versions …