A vulnerability, which was classified as problematic, was found in Cisco Router 700 (Router Operating System). This affects an unknown code block of the component Telnet. The manipulation as part of a TCP Connection leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Vulnerability in Cisco 7xx series routers allows a remote attacker to cause a system reload via a TCP connection to the router s TELNET port.

The weakness was published 03/11/1999 as not defined advisory (Website). The advisory is shared at cisco.com. This vulnerability is uniquely identified as CVE-1999-0416. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (1886), Exploit-DB (19919) and Vulnerability Center (SBV-32563†). Further details are available at ciac.llnl.gov. Similar entries are available at VDB-14533 and VDB-14564.

Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• Router

Version

• 700

License

• commercial

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CPE 2.2info

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