Vulnerability identifier: #VU80273

Vulnerability risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20820

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT6890
Mobile applications / Mobile firmware & hardware
MT7603
Mobile applications / Mobile firmware & hardware
MT7612
Mobile applications / Mobile firmware & hardware
MT7613
Mobile applications / Mobile firmware & hardware
MT7615
Mobile applications / Mobile firmware & hardware
MT7622
Mobile applications / Mobile firmware & hardware
MT7626
Mobile applications / Mobile firmware & hardware
MT7629
Mobile applications / Mobile firmware & hardware
MT7915
Mobile applications / Mobile firmware & hardware
MT7916
Mobile applications / Mobile firmware & hardware
MT7981
Mobile applications / Mobile firmware & hardware
MT7986
Mobile applications / Mobile firmware & hardware
MT7990
Mobile applications / Mobile firmware & hardware

Vendor: MediaTek

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to improper input validation within wlan service. A local privileged application can execute arbitrary code.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT6890: All versions

MT7603: All versions

MT7612: All versions

MT7613: All versions

MT7615: All versions

MT7622: All versions

MT7626: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7981: All versions

MT7986: All versions

MT7990: All versions

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