Medium (5.3). EPSS 1.8% chance of exploitation in the next 30 days.
Wi-Fi Protected Access (WPA and WPA2) that support 802.11v allows reinstallation of the Integrity Group Temporal Key (IGTK) when processing a Wireless Network Management (WNM) Sleep Mode Response frame, allowing an attacker within radio range to replay frames from access points to clients.
Severity
CVSS 3.0
5.3 medium
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)