Vulnerability record · CVE-2020-25757 · published 15 December 2020
CVE-2020-25757: Dlink dsr-150 firmware improper input validation vulnerability
Dlink · Dsr 150 Firmware
A 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 APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.
Description
A 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 APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.
CVSS:3.1/AV:A/AC:L/PR:N/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
| Link | Tags |
|---|---|
| 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 |
Track CVE-2020-25757 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.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2020-25757), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.