SB2025081505 - Spoofing attack in IEEE 802.11 implementation



SB2025081505 - Spoofing attack in IEEE 802.11 implementation

Published: August 15, 2025

Security Bulletin ID SB2025081505
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Insufficient verification of data authenticity (CVE-ID: CVE-2025-27558)

The vulnerability allows an attacker to perform spoofing attack.

The vulnerability exists due to insufficient verification of data authenticity in mesh networks using Wi-Fi Protected Access (WPA, WPA2, or WPA3) or Wired Equivalent Privacy (WEP). A remote attacker on the local network can inject arbitrary frames towards devices that support receiving non-SSP A-MSDU frames and perform spoofing attack.


Remediation

Install update from vendor's website.