CVE-2007-2830: Madwifi

Medium severity, CVSS 5.0. EPSS: 2.3% chance of exploitation in the next 30 days.

The ath_beacon_config function in if_ath.c in MadWifi before 0.9.3.1 allows remote attackers to cause a denial of service (system crash) via crafted beacon interval information when scanning for access points, which triggers a divide-by-zero error.

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.