CVE-2025-20736

Name: CVE-2025-20736
Creator: NVD / NIST
Published: 2025-11-04T07:15:40.977+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2025-20736 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00435347; Issue ID: MSV-4049.

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.12%

2.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mediatek	Software Development Kit	<= 7.6.7.2
Openwrt	Openwrt	19.07.0
Openwrt	Openwrt	21.02.0

References

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

Timeline

Published: Nov 4, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-20736?

How severe is CVE-2025-20736?

CVE-2025-20736 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2025-20736?

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-2025-20736?

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

Scan your code now

Source: NVD / NIST