The threat affects all Cisco products running the vendor's Internetwork Operating System (IOS). A DoS attack can be triggered if a hacker crafts a malicious TCP connection to a Telnet or reverse Telnet port of a Cisco device running IOS, according to a security advisory issued by Cisco, San Jose, Calif. . . .
The threat affects all Cisco products running the vendor's Internetwork Operating System (IOS). A DoS attack can be triggered if a hacker crafts a malicious TCP connection to a Telnet or reverse Telnet port of a Cisco device running IOS, according to a security advisory issued by Cisco, San Jose, Calif.
Telnet is a common way to control Web servers remotely.
If the vulnerability is exploited, network-based management connections to IOS-based Cisco routers could be blocked. However, data traffic through the routers would continue to flow.
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