First published: Sun Nov 29 2020(Updated: )
An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49, V1600D-MINI V1.01.48, V1600G1 V2.0.7 and V1.9.7, and V1600G2 V1.1.4 OLT devices. There is an !j@l#y$z%x6x7q8c9z) password for the admin account to authenticate to the TELNET service.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Vsolcn V1600d | =2.03.57 | |
Vsolcn V1600d | =2.03.69 | |
Vsolcn V1600d4l | ||
Vsolcn V1600d4l | =1.01.49 | |
Vsolcn V1600d4l Firmware | ||
Vsolcn V1600d-mini Firmware | =1.01.48 | |
Vsolcn V1600d-mini Firmware | ||
Vsolcn V1600g1 | =1.9.7 | |
Vsolcn V1600g1 | =2.0.7 | |
Vsolcn V1600g1 Firmware | ||
Vsolcn V1600g2 | =1.1.4 | |
Vsolcn V1600g2 Firmware |
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CVE-2020-29376 is considered a high-severity vulnerability due to the presence of a hardcoded administrative password.
To fix CVE-2020-29376, you should update your V-SOL OLT firmware to a version that does not include the hardcoded password.
CVE-2020-29376 affects V-SOL V1600D, V1600D4L, V1600D-MINI, V1600G1, and V1600G2 devices running specific firmware versions.
Yes, due to the hardcoded password, CVE-2020-29376 can allow attackers to gain unauthorized access to the affected devices.
Currently, the most effective workaround for CVE-2020-29376 is to restrict access to the TELNET service and update the firmware.