CVE-2021-37748
High
Description
Multiple buffer overflows in the limited configuration shell (/sbin/gs_config) on Grandstream HT801 devices before 1.0.29 allow remote authenticated users to execute arbitrary code as root via a crafted manage_if setting, thus bypassing the intended restrictions of this shell and taking full control of the device. There are default weak credentials that can be used to authenticate.
SeverityHigh
CVSS8.8
Exploit probability—
ProductGrandstream Ht801 Firmware
PublishedOct 28, 2021
First seenOct 28, 2021
How to fix
Update
- grandstream ht801_firmware1.0.29 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| grandstream ht801_firmware | v < 1.0.29 | 1.0.29 |
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