CVE-2025-20674

Name: CVE-2025-20674
Creator: NVD / NIST
Published: 2025-06-02T03:15:24.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2025-20674 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In wlan AP driver, there is a possible way to inject arbitrary packet due to a missing permission check. This could lead to remote escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

In wlan AP driver, there is a possible way to inject arbitrary packet due to a missing permission check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413202; Issue ID: MSV-3303.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.63%

45.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Openwrt	Openwrt	19.07.0
Openwrt	Openwrt	21.02.0
Openwrt	Openwrt	23.05
Mediatek	Software Development Kit	<= 7.6.7.2

References

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

Timeline

Published: Jun 2, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-20674?

How severe is CVE-2025-20674?

CVE-2025-20674 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2025-20674?

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-2025-20674?

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

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Source: NVD / NIST