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Vulnerability record · CVE-2020-5738 · published 14 April 2020

CVE-2020-5738: Grandstream gxp1610 firmware link following vulnerability

Grandstream · Gxp1610 Firmware

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.

8.8 CVSS 3.1 High EPSS 5.4% · top 7.6% CWE-59 · Link following
8.8CVSS 3.1 base score, v2 9.0
5.4%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 uploads a specially crafted tar file to the HTTP /cgi-bin/upload_vpntar interface.

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

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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-2020-5739Grandstream gxp1610 firmware code injection vulnerabilityGrandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker adds an OpenVPN up s…EPSS 5.3%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%7.8CVE-2026-81963Windows Update Stack link-following privilege escalationWindows Update Stack resolves links improperly before accessing files, a link-following flaw (CWE-59) compounded by improper access control (CWE-284)…KEVEPSS 0.39%analysed7.8CVE-2015-5287ABRT abrt-hook-ccpp symlink privilege escalationThe abrt-hook-ccpp helper in Red Hat's Automatic Bug Reporting Tool (ABRT) before 2.7.1 follows symlinks on files with predictable names, letting a l…KEVEPSS 5.0%analysed

Source: NIST National Vulnerability Database (record CVE-2020-5738), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.