Vulnerability in Grandstream Ht801
CVE-2021-37915
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.
EPSS: 0.020 (78.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Grandstream Ht801
- Grandstream Ht801_firmware
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-37915?
- CVE-2021-37915 is a high-severity vulnerability in Grandstream Ht801. CVSS score: 8.8/10. Published 2021-10-28.
- How severe is CVE-2021-37915?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-37915 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.