Download Firmware Linksys BEFSR41 1.46

Linksys, now owned by Cisco, recently released two new firmwares in quick succession for its BEFSR41, a four-port router/switch. In version 1.46 a lot of problems have been solved, especially in the field of DHCP and port forwarding. By the way, this firmware is only for the first and second revision of the BEFSR41. The latest firmware version for the third revision is 1.05.00, with a release date of early this year. Flashing can be done from the control panel which can be accessed with any browser, or with the TFTP utility. We close as usual with the changelog:

Changes in 1.46 – June 24, 2004:

• Fixed DHCP renewal.

Changes in 1.45.11 – Jun 4, 2004:

• Fixed CGI string attacks issue
• Fixed UPnP on Windows XP SP2 issue
• Fixed One way audio issue
• Fixed NAT-T issue for some VPN connection
• Fixed DHCP server revision, fill the siaddr to the server address
• Fixed DHCP (BOOTP) vulnerability issue
• Added Filter IDENT(port 113) to appear stealth when scanned
• Added DHCP option 55 support
• Fixed buffer leakage bug
• Modified TCP Support RFC 3360 standard
• Modified PPPoE/L2TP/PPTP fragmentation supports fragmenting 1 packet into more than 3.
• Modified MTU/MRU function for better handling[break]