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Ht801 Firmware Security Vulnerabilities

cve
cve

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.....

8.8CVSS

8.5AI Score

0.003EPSS

2021-10-28 12:15 PM
28
cve
cve

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...

8.8CVSS

8.8AI Score

0.013EPSS

2021-10-28 12:15 PM
29
cve
cve

CVE-2020-5762

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to a denial of service attack against the TR-069 service. An unauthenticated remote attacker can stop the service due to a NULL pointer dereference in the TR-069 service. This condition is triggered due to mishandling of...

7.5CVSS

7.5AI Score

0.006EPSS

2020-07-29 07:15 PM
25
cve
cve

CVE-2020-5763

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...

8.8CVSS

8.5AI Score

0.005EPSS

2020-07-29 07:15 PM
32
cve
cve

CVE-2020-5761

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this case by sending a one character TCP message to the TR-069...

7.5CVSS

7.5AI Score

0.007EPSS

2020-07-29 07:15 PM
34
cve
cve

CVE-2020-5760

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to an OS command injection vulnerability. Unauthenticated remote attackers can execute arbitrary commands as root by crafting a special configuration file and sending a crafted SIP...

7.8CVSS

8.1AI Score

0.001EPSS

2020-07-29 07:15 PM
30