CWE
798
Advisory Published
Updated

CVE-2020-29376

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 SoftwareAffected VersionHow 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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Frequently Asked Questions

  • What is the severity of CVE-2020-29376?

    CVE-2020-29376 is considered a high-severity vulnerability due to the presence of a hardcoded administrative password.

  • How do I fix CVE-2020-29376?

    To fix CVE-2020-29376, you should update your V-SOL OLT firmware to a version that does not include the hardcoded password.

  • Which devices are affected by CVE-2020-29376?

    CVE-2020-29376 affects V-SOL V1600D, V1600D4L, V1600D-MINI, V1600G1, and V1600G2 devices running specific firmware versions.

  • Can CVE-2020-29376 lead to unauthorized access?

    Yes, due to the hardcoded password, CVE-2020-29376 can allow attackers to gain unauthorized access to the affected devices.

  • Is there a workaround for CVE-2020-29376?

    Currently, the most effective workaround for CVE-2020-29376 is to restrict access to the TELNET service and update the firmware.

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