Grandstream HT818 Firmware vulnerabilities

4 CVEs affecting Grandstream HT818 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2020-5763, published 2020-07-29.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2020-5760, published 2020-07-29. High severity, CVSS 7.8. EPSS: 5.5% chance of exploitation in the next 30 days. 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…
CVE-2020-5761, published 2020-07-29. High severity, CVSS 7.5. EPSS: 4.1% chance of exploitation in the next 30 days. 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…
CVE-2020-5762, published 2020-07-29. High severity, CVSS 7.5. EPSS: 3.4% chance of exploitation in the next 30 days. 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…
CVE-2020-5763, published 2020-07-29. High severity, CVSS 8.8. EPSS: 2.7% chance of exploitation in the next 30 days. 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.