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grandstream vulnerabilities and exploits
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7.5
CVSSv3
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 service.
Grandstream Ht801 Firmware
Grandstream Ht802 Firmware
Grandstream Ht812 Firmware
Grandstream Ht814 Firmware
Grandstream Ht818 Firmware
Grandstream Ht813 Firmware
8.8
CVSSv3
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 prompt.
Grandstream Ht801 Firmware
Grandstream Ht802 Firmware
Grandstream Ht812 Firmware
Grandstream Ht814 Firmware
Grandstream Ht818 Firmware
Grandstream Ht813 Firmware
8.8
CVSSv3
CVE-2020-5756
Grandstream GWN7000 firmware version 1.0.9.4 and below allows authenticated remote users to modify the system's crontab via undocumented API. An attacker can use this functionality to execute arbitrary OS commands on the router.
Grandstream Gwn7000 Firmware
9.8
CVSSv3
CVE-2020-5757
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can bypass command injection mitigations and execute commands as the root user by sending a crafted HTTP POST to the UCM's "N...
Grandstream Ucm6202 Firmware
Grandstream Ucm6204 Firmware
Grandstream Ucm6208 Firmware
8.8
CVSSv3
CVE-2020-5758
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can execute commands as the root user by sending a crafted HTTP GET to the UCM's "Old" HTTPS API.
Grandstream Ucm6202 Firmware
Grandstream Ucm6204 Firmware
Grandstream Ucm6208 Firmware
9.8
CVSSv3
CVE-2020-5759
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH. An authenticated remote attacker can execute commands as the root user by issuing a specially crafted "unset" command.
Grandstream Ucm6202 Firmware
Grandstream Ucm6204 Firmware
Grandstream Ucm6208 Firmware
8.8
CVSSv3
CVE-2020-5738
Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker uploads a specially crafted tar file to the HTTP /cgi-bin/upload_vpntar interface.
Grandstream Gxp1610 Firmware
Grandstream Gxp1615 Firmware
Grandstream Gxp1620 Firmware
Grandstream Gxp1625 Firmware
Grandstream Gxp1628 Firmware
Grandstream Gxp1630 Firmware
8.8
CVSSv3
CVE-2020-5739
Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker adds an OpenVPN up script to the phone's VPN settings via the "Additional Settings" field in the web interface. When the VPN's conn...
Grandstream Gxp1610 Firmware
Grandstream Gxp1615 Firmware
Grandstream Gxp1620 Firmware
Grandstream Gxp1625 Firmware
Grandstream Gxp1628 Firmware
Grandstream Gxp1630 Firmware
7.5
CVSSv3
CVE-2020-5726
The Grandstream UCM6200 series prior to 1.0.20.22 is vulnerable to an SQL injection via the CTI server on port 8888. A remote unauthenticated attacker can invoke the challenge action with a crafted username and discover user passwords.
Grandstream Ucm6202 Firmware
Grandstream Ucm6204 Firmware
Grandstream Ucm6208 Firmware
9.8
CVSSv3
CVE-2020-5723
The UCM6200 series 1.0.20.22 and below stores unencrypted user passwords in an SQLite database. This could allow an malicious user to retrieve all passwords and possibly gain elevated privileges.
Grandstream Ucm6202 Firmware
Grandstream Ucm6204 Firmware
Grandstream Ucm6208 Firmware
1 Metasploit module
CVSSv3
CVSSv2
CVSSv3
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