SB2025040837 - Multiple WLAN driver vulnerabilities in DrayTek routers

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Main Vulnerability Database SB2025040837

SB2025040837 - Multiple WLAN driver vulnerabilities in DrayTek routers

Published: April 8, 2025

Security Bulletin ID SB2025040837
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Low 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2025-20631)

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can execute arbitrary code.


2) Out-of-bounds write (CVE-ID: CVE-2025-20633)

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within wlan. A remote attacker can trick the victim to open a specially crafted file and execute arbitrary code.


3) Out-of-bounds write (CVE-ID: CVE-2025-20632)

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can execute arbitrary code.


Remediation

Install update from vendor's website.

References