Cisco 675 router running CBOS allows unauthorized Telnet sessions
|cisco-cbos-telnet (4251)||High Risk|
Cisco 675 DSL routers running CBOS (Cisco Broadband Operating System) in the default configuration are not password protected. Remote attackers can establish Telnet connections to the router without authentication.
To set passwords that will secure your router:
- Establish a telnet connection to your router. Refer to your router documentation.
- Type 'enable' to enter administration mode.
- Type 'set password exec clear NEWPASSWORD exec' to set the exec mode password.
- Type 'set password enable clear NEWPASSWORD enable' to set the superuser password.
- BugTraq Mailing List, Sat, 31 Jul 1999 16:57:33 -0400: Cisco 675 password nonsense.
- CVE-1999-0571: A router's configuration service or management interface (such as a web server or telnet) is configured to allow connections from arbitrary hosts.
- CVE-1999-0889: Cisco 675 routers running CBOS allow remote attackers to establish telnet sessions if an exec or superuser password has not been set.
- OSVDB ID: 39: Cisco 675 Router Default Unpassworded Account
- Cisco 675 Router
Jul 31, 1999
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