Vulnerability identifier: #VU81349

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32820

CWE-ID: CWE-400

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT5221
Mobile applications / Mobile firmware & hardware
MT6833
Mobile applications / Mobile firmware & hardware
MT6855
Mobile applications / Mobile firmware & hardware
MT6879
Mobile applications / Mobile firmware & hardware
MT6886
Mobile applications / Mobile firmware & hardware
MT6895
Mobile applications / Mobile firmware & hardware
MT6983
Mobile applications / Mobile firmware & hardware
MT6985
Mobile applications / Mobile firmware & hardware
MT7663
Mobile applications / Mobile firmware & hardware
MT7668
Mobile applications / Mobile firmware & hardware
MT7902
Mobile applications / Mobile firmware & hardware
MT7921
Mobile applications / Mobile firmware & hardware
MT8168
Mobile applications / Mobile firmware & hardware
MT8365
Mobile applications / Mobile firmware & hardware
MT8532
Mobile applications / Mobile firmware & hardware
MT8666
Mobile applications / Mobile firmware & hardware
MT8673
Mobile applications / Mobile firmware & hardware
MT8675
Mobile applications / Mobile firmware & hardware
MT8695
Mobile applications / Mobile firmware & hardware
MT8766
Mobile applications / Mobile firmware & hardware
MT8768
Mobile applications / Mobile firmware & hardware
MT8781
Mobile applications / Mobile firmware & hardware
MT8786
Mobile applications / Mobile firmware & hardware
MT8789
Mobile applications / Mobile firmware & hardware
MT8791
Mobile applications / Mobile firmware & hardware
MT8798
Mobile applications / Mobile firmware & hardware
MT6781
Hardware solutions / Firmware
MT6853
Hardware solutions / Firmware
MT6853T
Hardware solutions / Firmware
MT6873
Hardware solutions / Firmware
MT6875
Hardware solutions / Firmware
MT6877
Hardware solutions / Firmware
MT6883
Hardware solutions / Firmware
MT6885
Hardware solutions / Firmware
MT6889
Hardware solutions / Firmware
MT6891
Hardware solutions / Firmware
MT6893
Hardware solutions / Firmware
MT8797
Hardware solutions / Firmware
MT8518S
/

Vendor: MediaTek

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to improper input handling within wlan firmware. A local application can perform service disruption.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT5221: All versions

MT6781: All versions

MT6833: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT7663: All versions

MT7668: All versions

MT7902: All versions

MT7921: All versions

MT8168: All versions

MT8365: All versions

MT8518S: All versions

MT8532: All versions

MT8666: All versions

MT8673: All versions

MT8675: All versions

MT8695: All versions

MT8766: All versions

MT8768: All versions

MT8781: All versions

MT8786: All versions

MT8789: All versions

MT8791: All versions

MT8797: All versions

MT8798: All versions

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External links
http://corp.mediatek.com/product-security-bulletin/October-2023

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.