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Vulnerability record · CVE-2020-25759 · published 15 December 2020

CVE-2020-25759: Dlink dsr-150 firmware improper input validation vulnerability

Dlink · Dsr 150 Firmware

An issue was discovered on D-Link DSR-250 3.17 devices. Certain functionality in the Unified Services Router web interface could allow an authenticated attacker to execute arbitrary commands, due to a lack of validation of inputs provided in multipart HTTP POST requests.

8.8 CVSS 3.1 High EPSS 2.3% · top 17.4% CWE-20 · Improper input validationCWE-78 · OS command injection
8.8CVSS 3.1 base score, v2 9.0
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An issue was discovered on D-Link DSR-250 3.17 devices. Certain functionality in the Unified Services Router web interface could allow an authenticated attacker to execute arbitrary commands, due to a lack of validation of inputs provided in multipart HTTP POST requests.

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

Affected products

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

References

LinkTags
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195 Vendor Advisory
https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/ Third Party Advisory
https://www.dlink.com/en/security-bulletin Vendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195 Vendor Advisory
https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/ Third Party Advisory
https://www.dlink.com/en/security-bulletin Vendor Advisory

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Related vulnerabilities

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

10.0CVE-2013-5946Dlink dsr-500 firmware os command injection vulnerabilityThe runShellCmd function in systemCheck.htm in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-25…EPSS 6.5%9.8CVE-2020-18568Dlink dsr-250 firmware os command injection vulnerabilityThe D-Link DSR-250 (3.14) DSR-1000N (2.11B201) UPnP service contains a command injection vulnerability, which can cause remote command execution.EPSS 15%9.8CVE-2013-5945Dlink dsr-150 firmware sql injection vulnerabilityMultiple SQL injection vulnerabilities in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N wi…EPSS 9.8%8.8CVE-2024-57376Dlink dsr-150 firmware classic buffer overflow vulnerabilityBuffer Overflow vulnerability in D-Link DSR-150, DSR-150N, DSR-250, DSR-250N, DSR-500N, DSR-1000N from 3.13 to 3.17B901C allows unauthenticated users…EPSS 3.6%8.8CVE-2020-25757Dlink dsr-150 firmware improper input validation vulnerabilityA lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command API…EPSS 2.1%8.8CVE-2020-25758Dlink dsr-150 firmware vulnerabilityAn issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote, authenticated a…EPSS 1.3%7.8CVE-2013-7004Dlink dsr-500 firmware vulnerabilityD-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N with firmware before 1.08B44; and DSR-500, D…EPSS 1.9%4.9CVE-2013-7005Dlink dsr-150 firmware information exposure vulnerabilityD-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N with firmware before 1.08B44; and DSR-500, D…EPSS 0.66%

Source: NIST National Vulnerability Database (record CVE-2020-25759), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.