high8.8
CVE-2020-5763
Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service.
Impact
Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service. An authenticated remote attacker can obtain a root shell by correctly answering a challenge prompt.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Grandstream | Ht801 Firmware | through 1.0.17.5 |
| Grandstream | Ht802 Firmware | through 1.0.17.5 |
| Grandstream | Ht812 Firmware | through 1.0.17.5 |
| Grandstream | Ht814 Firmware | through 1.0.17.5 |
| Grandstream | Ht818 Firmware | through 1.0.17.5 |
| Grandstream | Ht813 Firmware | through 1.0.17.5 |