ZyXEL Prestige 681 SDSL Router IP Fragment Reassembly Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/3711/info Prestige is a product line of DSL routers produced and distributed by Zyxel. When a Zyxel router receives fragmented packets that after reassembly is greater than 64 kilobytes in length, the router crashes. The...

Zyxel Prestige 681 SDSL router information leak

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, Zyxel P681 with ZyNOS S/W Version: Vt020225a | 2/25/2002 installed leaks random portions of memory in ARP requests: 21:47:05.709295 arp who-has x.x.x.x tell x.x.x.x 0x0000 0001 0800 0604 0001 00a0 c526 3cc1 xxxx ................ 0x0010 xxxx 000...

CVE-2001-1194

CVE-2001-1194 affects Zyxel Prestige 681 and 1600 SDSL Routers. Remote attackers can cause a denial of service by sending malformed packets: (1) IP length shorter than the actual packet size, or (2) fragmented packets whose reassembly size exceeds 64 KB. Impact is denial of service/partial availa...

Re: Zyxel Prestige 681 and 1600 (possibly other?) remote DoS

On Friday 14 December 2001 12:08, Przemyslaw Frasunek wrote: The workaround is to switch off routing and put device in bridging mode. Zyxel support has been notified, I won't release details of attack, until ZyNOS will be patched. I haven't received any response from Zyxel helpdesk so time to...

Zyxel Prestige 681 and 1600 (possibly other?) remote DoS

Hello, Zyxel Prestige 681 SDSL router is vulnerable to remote denial of service. By sending malformed packets, it is possible to bring down DSL link for few minutes. The problem persists only if packets come from DSL interface, not from Ethernet. ZyNOS reports that line is synchronizing and it...

CVE-2001-1194

Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with 1 an IP length less than actual packet size, or 2 fragmented packets whose size exceeds 64 kilobytes after reassembly...