CVE-2025-27558
Advisory lineage Upstream: 0 Downstream: 5
Deferred
Published: 21 May 2025, 00:00
Last modified:03 Nov 2025, 17:32
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.1 CRITICAL
v3.1 (cve.org)
EPSS Score
0.19% LOW
0% probability +0.16%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
21 May 2025, 00:00
Published
Vulnerability first disclosed
03 Nov 2025, 17:32
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•CRITICAL•Score: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS Trends
Current EPSS score: 0.19%• Percentile: 41%
Techniques & Countermeasures
- CWE-345•Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.