Linksys BEF series routers contains a flaw that may allow a remote denial of service. The issue is triggered when long strings (about 150 bytes each) are filled in the "sysPasswd" and "sysPasswdConfirm" parameters which are then passed to the gozila.cgi script, resulting in loss of availability for the Linksys router.
Classification
Location:
Remote/Network Access Required
Attack Type:
Denial of Service
Impact:
Loss of Availability
Exploit:
Exploit Available
Disclosure:
OSVDB Verified
OSVDB:
Web Related
Solution
Upgrade the router firmware to the most recent release 1.50 or newer, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.