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9
CVSSv2

CVE-2021-37915

Published: 28/10/2021 Updated: 02/11/2021
CVSS v2 Base Score: 9 | Impact Score: 10 | Exploitability Score: 8
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 801
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C
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Vulnerability Summary

An issue exists on the Grandstream HT801 Analog Telephone Adaptor prior to 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.

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grandstream ht801_firmware

Github Repositories

https://github.com/SECFORCE/CVE-2021-37748

Exploits for the CVE-2021-37748 Full writeup: wwwsecforcecom/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/

References

NVD-CWE-noinfohttp://firmware.grandstream.com/BETA/Release_Note_HT80x_1.0.29.8.pdfhttp://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/https://nvd.nist.govhttps://github.com/SECFORCE/CVE-2021-37748
CVSSv2
CVSSv2
CVSSv3
VMScore
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