PT-2026-5631 · Wlan · Wlan

Published 2026-02-02 · Updated 2026-02-07 · CVE-2026-20408

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

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

Description A heap buffer overflow exists in wlan that could lead to remote (proximal/adjacent) escalation of privilege without requiring additional execution privileges or user interaction. The issue is an out-of-bounds write.

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

LPE

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

CVE-2026-20408

Affected Products

Wlan

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-20408 · Security Note
• https://osv.dev/vulnerability/CVE-2026-20408 · Vendor Advisory
• https://corp.mediatek.com/product-security-bulletin/February-2026 · Vendor Advisory
• https://twitter.com/cracbot/status/2020090227625455834 · Twitter Post
• https://twitter.com/TheHackerWire/status/2018343407496933717 · Twitter Post
• https://t.me/CVEtracker/43469 · Telegram Post
• https://twitter.com/CVEnew/status/2018249237562360037 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2018256459679547609 · Twitter Post
• https://t.me/cveNotify/150836 · Telegram Post