High severity8.8NVD Advisory· Published Oct 28, 2021· Updated Jun 17, 2026
CVE-2021-37915
CVE-2021-37915
Description
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.
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Affected products
4- Grandstream/HT801 Analog Telephone Adaptordescription
- Range: <1.0.29.8
- Range: <1.0.29.8
Patches
Vulnerability mechanics
References
3- www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/nvdExploitThird Party Advisory
- www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801nvdProductVendor Advisory
- firmware.grandstream.com/BETA/Release_Note_HT80x_1.0.29.8.pdfnvdBroken Link
News mentions
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