CVE-2026-20423
Plain English Summary
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This vulnerability allows an attacker to gain higher privileges on a device using the Mediatek nbiot SDK, potentially letting them execute unauthorized actions. While the attacker needs to have user access to the device, they do not need any interaction from the user to exploit this flaw.
Technical Description
In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.
CVSS Vector Analysis
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploit Resources
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Official References
Quick Information
Published
Mar 2, 2026
about 1 month ago
Last Modified
Mar 3, 2026
about 1 month ago
Vendor
mediatek
Product
nbiot sdk
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This vulnerability allows an attacker with system privileges to gain even higher privileges on devices using the MediaTek NB-IoT SDK, potentially giving them more control over the system. The attacker does not need any user interaction to exploit this flaw, but they must already have access to the system.
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This vulnerability allows an attacker to gain higher privileges on a device using MediaTek's software development kit, potentially letting them control the device without needing any special permissions. The attacker only needs to be nearby to exploit this flaw, and no user interaction is required.