CVE-2025-27558

Critical

Description

IEEE P802.11-REVme D1.1 through D7.0 allows FragAttacks against mesh networks. In mesh networks using Wi-Fi Protected Access (WPA, WPA2, or WPA3) or Wired Equivalent Privacy (WEP), an adversary can exploit this vulnerability to inject arbitrary frames towards devices that support receiving non-SSP A-MSDU frames. NOTE: this issue exists because of an incorrect fix for CVE-2020-24588. P802.11-REVme, as of early 2025, is a planned release of the 802.11 standard.

SeverityCritical
CVSS9.1
Exploit probability—
ProductP802.11-REVme
PublishedMay 21, 2025
First seenMay 21, 2025
Weakness typeCWE-345CWE-345

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
IEEE P802.11-REVmeD1.1 ≤ v ≤ D7.0—

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