Description

In Modem, there is a possible system crash due to a logic error. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01106496; Issue ID: MSV-4467.

INFO

Published Date :

2026-04-07T03:25:28.491Z

Last Modified :

2026-04-07T12:59:17.543Z

Source :

MediaTek
AFFECTED PRODUCTS

The following products are affected by CVE-2026-20431 vulnerability.

Vendors Products
Mediatek
  • Mt6813
  • Mt6813 Firmware
  • Mt6815
  • Mt6815 Firmware
  • Mt6835
  • Mt6835 Firmware
  • Mt6878
  • Mt6878 Firmware
  • Mt6897
  • Mt6897 Firmware
  • Mt6899
  • Mt6899 Firmware
  • Mt6986
  • Mt6986 Firmware
  • Mt6991
  • Mt6991 Firmware
  • Mt6993
  • Mt6993 Firmware
  • Mt8668
  • Mt8668 Firmware
  • Mt8676
  • Mt8676 Firmware
  • Mt8678
  • Mt8678 Firmware
  • Mt8755
  • Mt8755 Firmware
  • Mt8775
  • Mt8775 Firmware
  • Mt8792
  • Mt8792 Firmware
  • Mt8793
  • Mt8793 Firmware
  • Mt8863
  • Mt8863 Firmware
  • Mt8873
  • Mt8873 Firmware
  • Mt8883
  • Mt8883 Firmware
Mediatek, Inc.
  • Mediatek Chipset
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-20431.

URL Resource
https://corp.mediatek.com/product-security-bulletin/April-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