ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Prestige | Zyxel | 310 (including) | 310 (including) |
| Prestige | Zyxel | 642r (including) | 642r (including) |