high8.8
CVE-2021-37915
An issue was discovered on the Grandstream HT801 Analog Telephone Adaptor before 1.0.29.8.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Grandstream | Ht801 Firmware | before 1.0.29.8 |
References
- NVD record
- CVE.org record
- http://firmware.grandstream.com/BETA/Release_Note_HT80x_1.0.29.8.pdf
- http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801
- https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/
- http://firmware.grandstream.com/BETA/Release_Note_HT80x_1.0.29.8.pdf
- http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801
- https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/