CVE-2007-2829: Madwifi

Medium severity, CVSS 5.0. EPSS: 3.3% chance of exploitation in the next 30 days.

The 802.11 network stack in net80211/ieee80211_input.c in MadWifi before 0.9.3.1 allows remote attackers to cause a denial of service (system hang) via a crafted length field in nested 802.3 Ethernet frames in Fast Frame packets, which results in a NULL pointer dereference.

Affected products

• Madwifi Madwifi: up to and including 0.9.3; version 0.9.0 only; version 0.9.1 only; version 0.9.2 only; version 0.9.2.1 only

Published 2007-05-24. Last modified 2026-06-16.