high
8.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2022-21745: Use After Free

First published: Mon Jun 06 2022(Updated: )

In WIFI Firmware, there is a possible memory corruption due to a use after free. This could lead to remote escalation of privilege, when devices are connecting to the attacker-controllable Wi-Fi hotspot, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06468872; Issue ID: ALPS06468872.

Credit: security@mediatek.com

Affected SoftwareAffected VersionHow to fix
Google Android
Google Android=10.0
Google Android=11.0
Google Android=12.0
Mediatek Mt6761
Mediatek Mt6762
MediaTek MT6765
MediaTek MT6768
Mediatek Mt6769
MediaTek MT6779
MediaTek MT6781
MediaTek MT6785
MediaTek MT6789
MediaTek MT6833
MediaTek MT6853
mediatek mt6853t
MediaTek MT6873
Mediatek MT6875
MediaTek MT6877
MediaTek MT6879
MediaTek MT6883
MediaTek MT6885
MediaTek MT6889
MediaTek MT6891
MediaTek MT6893
MediaTek MT6895
MediaTek MT6983
MediaTek MT6985
Mediatek MT8167
MediaTek MT8168
MediaTek MT8175
Mediatek Mt8183
MediaTek MT8185
MediaTek MT8362A
MediaTek MT8365
MediaTek MT8385
Mediatek Mt8667
MediaTek MT8675
MediaTek MT8695
MediaTek MT8696
MediaTek MT8766
MediaTek MT8768
mediatek mt8786
MediaTek MT8788
MediaTek MT8789
MediaTek MT8791
MediaTek MT8797

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-21745?

    CVE-2022-21745 is a vulnerability in WIFI Firmware that can lead to remote escalation of privilege.

  • How does CVE-2022-21745 occur?

    CVE-2022-21745 occurs due to a memory corruption issue caused by a use after free vulnerability.

  • How severe is CVE-2022-21745?

    CVE-2022-21745 has a severity rating of 8.8 (high).

  • Which devices are affected by CVE-2022-21745?

    Devices running Google Android versions 10.0, 11.0, and 12.0 are affected by CVE-2022-21745.

  • How can I fix CVE-2022-21745?

    To fix CVE-2022-21745, apply the security patches and updates provided by the vendor.

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