The telnet service in Cisco Video Surveillance IP Gateway Encoder/Decoder (Standalone and Module) firmware 1.8.1 and earlier, Video Surveillance SP/ISP Decoder Software firmware 1.11.0 and earlier, and the Video Surveillance SP/ISP firmware 1.23.7 and earlier does not require authentication, which allows remote attackers to perform administrative actions, aka CSCsj31729.

References

• https://nvd.nist.gov/vuln/detail/CVE-2007-4747
• https://exchange.xforce.ibmcloud.com/vulnerabilities/36449
• http://osvdb.org/37503
• http://secunia.com/advisories/26721
• http://www.cisco.com/en/US/products/products_security_advisory09186a00808b4d38.shtml
• http://www.securityfocus.com/bid/25549
• http://www.securitytracker.com/id?1018655
• http://www.vupen.com/english/advisories/2007/3061