Description

In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461663 / WCNCR00463309; Issue ID: MSV-4852.

INFO

Published Date :

2026-02-02T08:16:46.837Z

Last Modified :

2026-03-30T13:03:33.830Z

Source :

MediaTek
AFFECTED PRODUCTS

The following products are affected by CVE-2026-20419 vulnerability.

Vendors Products
Mediatek
  • Mt6890
  • Mt6989tb
  • Mt7902
  • Mt7915
  • Mt7916
  • Mt7920
  • Mt7921
  • Mt7922
  • Mt7925
  • Mt7927
  • Mt7981
  • Mt7986
  • Mt8196
  • Mt8668
  • Mt8676
  • Mt8678
  • Mt8775
  • Mt8791t
  • Mt8792
  • Mt8793
  • Mt8796
  • Mt8873
  • Mt8883
  • Mt8893
  • Mt8910
  • Nbiot Sdk
  • Software Development Kit
Openwrt
  • Openwrt
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-20419.

URL Resource
https://corp.mediatek.com/product-security-bulletin/February-2026 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact