CVE-2021-37748
CVSS v3
8.8
HIGH
EPSS Score
11.9 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-10-28
Frequently asked questions
What is CVE-2021-37748?
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.
Is CVE-2021-37748 actively exploited?
Active exploitation of CVE-2021-37748 has not been confirmed. The EPSS score is 11.9%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-37748?
CVE-2021-37748 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-37748 affecting your environment?
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