CVE-2025-20637

Name: CVE-2025-20637
Creator: NVD / NIST
Published: 2025-02-03T04:15:08.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2025-20637 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In network HW, there is a possible system hang due to an uncaught exception. This could lead to remote denial of service with no additional execution privileges needed. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

In network HW, there is a possible system hang due to an uncaught exception. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00399035; Issue ID: MSV-2380.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.59%

43.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mediatek	Software Development Kit	<= 7.6.7.0

References

https://corp.mediatek.com/product-security-bulletin/February-2025Vendor Advisory

Timeline

Published: Feb 3, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-20637?

How severe is CVE-2025-20637?

CVE-2025-20637 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2025-20637?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-20637?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST