Improper Check for Unusual or Exceptional Conditions in MediaTek products - CVE-2026-20419
Published: February 2, 2026
Vulnerability identifier: #VU122204
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-20419
CWE-ID: CWE-754
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: MediaTek
Affected software:
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
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
Detailed vulnerability description
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.
How to mitigate CVE-2026-20419
Install security update from vendor's website.