What’s Vulnerable › Vulnerabilities

CVE-2020-5739

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-14 · updated 2026-06-17
• Weakness: CWE-94

Description

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 connection is established, the user defined script is executed with root privileges.

Affected products

• Grandstream Gxp1610 Firmware: through 1.0.4.152
• Grandstream Gxp1615 Firmware: through 1.0.4.152
• Grandstream Gxp1620 Firmware: through 1.0.4.152
• Grandstream Gxp1625 Firmware: through 1.0.4.152
• Grandstream Gxp1628 Firmware: through 1.0.4.152
• Grandstream Gxp1630 Firmware: through 1.0.4.152

References

• https://www.tenable.com/security/research/tra-2020-22
• https://www.tenable.com/security/research/tra-2020-22

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