Grandstream · Grandstream Gxv3601 · CVE-2013-3542
**Name of the Vulnerable Software and Affected Versions**
Grandstream GXV3501, GXV3504, GXV3601, GXV3601HD/LL, GXV3611HD/LL, GXV3615W/P, GXV3651FHD, GXV3662HD, GXV3615WP HD, GXV3500 versions 1.0.4.11
**Description**
The issue allows remote attackers to obtain access via a TELNET session due to a hardcoded account `!#/` with the same password.
**Recommendations**
For Grandstream GXV3501, GXV3504, GXV3601, GXV3601HD/LL, GXV3611HD/LL, GXV3615W/P, GXV3651FHD, GXV3662HD, GXV3615WP HD, GXV3500 version 1.0.4.11, consider changing the hardcoded password for the `!#/` account as a temporary workaround until a patch is available.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.