← Vulnerability feed

Vulnerability record · CVE-2020-5739 · published 14 April 2020

CVE-2020-5739: Grandstream gxp1610 firmware code injection vulnerability

Grandstream · Gxp1610 Firmware

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.

8.8 CVSS 3.1 High EPSS 5.3% · top 7.7% CWE-94 · Code injection
8.8CVSS 3.1 base score, v2 9.0
5.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tenable.com/security/research/tra-2020-22 ExploitVendor Advisory
https://www.tenable.com/security/research/tra-2020-22 ExploitVendor Advisory

Track CVE-2020-5739 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-17564Grandstream gxp1610 firmware vulnerabilityA Malformed Input String to /cgi-bin/delete_CA on Grandstream GXP16xx VoIP 1.0.4.128 phones allows attackers to delete configuration parameters and g…EPSS 1.6%9.8CVE-2018-17565Grandstream gxp1610 firmware os command injection vulnerabilityShell Metacharacter Injection in the SSH configuration interface on Grandstream GXP16xx VoIP 1.0.4.128 phones allows attackers to execute arbitrary s…EPSS 1.9%9.3CVE-2026-2329Grandstream gxp1610 firmware stack-based buffer overflow vulnerabilityAn unauthenticated stack-based buffer overflow vulnerability exists in the HTTP API endpoint /cgi-bin/api.values.get. A remote attacker can leverage …EPSS 41%8.8CVE-2020-5738Grandstream gxp1610 firmware link following vulnerabilityGrandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker uploads a specially …EPSS 5.4%7.6CVE-2025-28170Grandstream gxp1628 firmware vulnerabilityGrandstream Networks GXP1628 <=1.0.4.130 is vulnerable to Incorrect Access Control. The device is configured with directory listing enabled, allowing…EPSS 0.30%5.3CVE-2018-17563Grandstream gxp1610 firmware missing encryption vulnerabilityA Malformed Input String to /cgi-bin/api-get_line_status on Grandstream GXP16xx VoIP 1.0.4.128 phones allows attackers to dump the device's configura…EPSS 0.70%8.8CVE-2026-65660Microsoft sharepoint server code injection vulnerabilityImproper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.KEVEPSS 2.1%9.8CVE-2026-60004Gitea diffpatch API code injection enables remote code executionGitea before 1.27.1 allows remote code execution through the diffpatch API by way of Git hook installation. The flaw is a code injection issue (CWE-9…KEVEPSS 24%analysed

Source: NIST National Vulnerability Database (record CVE-2020-5739), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.