Description
A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.30 through 5.35, USG20(W)-VPN firmware versions 4.30 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote unauthenticated attacker to cause DoS conditions by sending a crafted HTTP request if the Facebook WiFi function were enabled on an affected device.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Zyxel USG FLEX series firmware
4.50 through 5.35affected
Zyxel USG FLEX 50(W) firmware
4.30 through 5.35affected
Zyxel USG20(W)-VPN firmware
4.30 through 5.35affected
Zyxel VPN series firmware
4.30 through 5.35affected