Conexant AccessRunner DSL Console Default Backdoor Account Vulnerability

BID:12507

Info

Conexant AccessRunner DSL Console Default Backdoor Account Vulnerability

Bugtraq ID: 12507
Class: Design Error
CVE:
Remote: Yes
Local: No
Published: Feb 09 2005 12:00AM
Updated: Feb 09 2005 12:00AM
Credit: Adam Laurie <[email protected]> disclosed this vulnerability.
Vulnerable: Mentor MR4C/UK DSL Router
Conexant AccessRunner DSL Console 3.27
Not Vulnerable:

Discussion

Conexant AccessRunner DSL Console Default Backdoor Account Vulnerability

It has been reported that Conexant AccessRunner DSL Console software has built-in administrative access that cannot be disabled.

This vulnerability reportedly allows remote attackers to reset the router to default settings, denying legitimate users network access. Other attacks are also likely possible.

It is unknown at this time if remote attackers can access the administrative interface via the WAN interface of affected devices.

Mentor MR4C/UK devices are reported susceptible to this vulnerability. Due to code reuse across products, it is likely that other devices are also affected.

Exploit / POC

Conexant AccessRunner DSL Console Default Backdoor Account Vulnerability

An exploit is not required.

Solution / Fix

Conexant AccessRunner DSL Console Default Backdoor Account Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

References

Conexant AccessRunner DSL Console Default Backdoor Account Vulnerability

References:
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