PT-2026-22551 · Unknown · Wlan Sta Driver

Published 2026-03-02 · Updated 2026-03-07 · CVE-2026-20423

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions wlan STA driver (affected versions not specified)

Description The wlan STA driver contains a flaw where a missing bounds check can lead to an out-of-bounds write. This condition could allow for local escalation of privilege with User execution privileges. User interaction is not required for exploitation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Memory Corruption

Weakness Enumeration

CWE-787

CWE-749

Related Identifiers

CVE-2026-20423

Affected Products

Wlan Sta Driver

References · 13

• https://corp.mediatek.com/product-security-bulletin/March-2026 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-20423 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20423 · Security Note
• https://t.me/cveNotify/153904 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2028453167143243958 · Twitter Post
• https://t.me/CVEtracker/46088 · Telegram Post
• https://twitter.com/cracbot/status/2029512325439615233 · Twitter Post
• https://twitter.com/earlyn_cyber/status/2029109592316055760 · Twitter Post
• https://twitter.com/CVEnew/status/2028403581099856174 · Twitter Post
• https://t.me/cveNotify/153704 · Telegram Post
• https://twitter.com/cracbot/status/2030237079851114883 · Twitter Post
• https://twitter.com/infoflowcloud/status/2028405248553800174 · Twitter Post
• https://twitter.com/cracbot/status/2029874778379801042 · Twitter Post