Improper Check for Unusual or Exceptional Conditions in MediaTek products - CVE-2026-20419
Published: February 2, 2026
Vulnerability identifier: #VU122204
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20419
CWE-ID: CWE-754
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to perform service disruption.
The vulnerability exists due to an uncaught exception in wlan subcomponent. A local application can perform service disruption.
Affected software
MT8196
MT8910
MT8893
MT8883
MT8873
MT8796
MT8793
MT8792
MT8791T
MT8775
MT8678
MT8676
MT8668
MT6890
MT7986
MT7981
MT7927
MT7925
MT7922
MT7921
MT7920
MT7916
MT7915
MT7902
MT6989TB
MT8910
MT8893
MT8883
MT8873
MT8796
MT8793
MT8792
MT8791T
MT8775
MT8678
MT8676
MT8668
MT6890
MT7986
MT7981
MT7927
MT7925
MT7922
MT7921
MT7920
MT7916
MT7915
MT7902
MT6989TB
How to mitigate CVE-2026-20419
Install security update from vendor's website.