CVE-2026-20431

EUVD-2026-19564
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 12%
Affected Products (NVD)
VendorProductVersion
mediatekmt6813_firmware
-
mediatekmt6815_firmware
-
mediatekmt6835_firmware
-
mediatekmt6878_firmware
-
mediatekmt6897_firmware
-
mediatekmt6899_firmware
-
mediatekmt6986_firmware
-
mediatekmt6991_firmware
-
mediatekmt6993_firmware
-
mediatekmt8668_firmware
-
mediatekmt8676_firmware
-
mediatekmt8678_firmware
-
mediatekmt8755_firmware
-
mediatekmt8775_firmware
-
mediatekmt8792_firmware
-
mediatekmt8793_firmware
-
mediatekmt8863_firmware
-
mediatekmt8873_firmware
-
mediatekmt8883_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://corp.mediatek.com/product-security-bulletin/April-2026