Advisory Published
Updated

CVE-2021-37915

First published: Thu Oct 28 2021(Updated: )

An issue was discovered on the Grandstream HT801 Analog Telephone Adaptor before 1.0.29.8. From the limited configuration shell, it is possible to set the malicious gdb_debug_server variable. As a result, after a reboot, the device downloads and executes malicious scripts from an attacker-defined host.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Grandstream Ht801 Firmware<1.0.29.8
Grandstream HT801

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Frequently Asked Questions

  • What is CVE-2021-37915?

    CVE-2021-37915 is a vulnerability discovered on the Grandstream HT801 Analog Telephone Adaptor before version 1.0.29.8.

  • What is the severity of CVE-2021-37915?

    CVE-2021-37915 has a severity rating of 8.8, which is considered critical.

  • How does CVE-2021-37915 affect the Grandstream HT801?

    CVE-2021-37915 allows an attacker to set a malicious gdb_debug_server variable on the Grandstream HT801, which can result in the device downloading and executing malicious scripts from an attacker-defined host.

  • How can I fix the CVE-2021-37915 vulnerability?

    To fix the CVE-2021-37915 vulnerability, it is recommended to update the Grandstream HT801 Analog Telephone Adaptor firmware to version 1.0.29.8 or later.

  • Where can I find more information about CVE-2021-37915?

    You can find more information about CVE-2021-37915 on the Grandstream website and the provided references.

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