CVE-2016-11021: D-Link DCS-930L Devices OS Command Injection Vulnerability

Vulnerability summary

CVE-2016-11021 is a high (CVSS 9.0) OS Command Injection vulnerability in D-Link DCS-930L Devices. It is known to be exploited: CISA lists it, first on 25-03-2022. EPSS estimates a 68.87% chance of exploitation in the next 30 days, higher than 99.3% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 09-03-2020
   PublishedVulnerability first disclosed.
2. 25-03-2022
   Added to CISA KEVD-Link DCS-930L Devices OS Command Injection Vulnerability
3. 15-04-2022
   CISA remediation dueThe impacted product is end-of-life and should be disconnected if still in use.
4. 21-10-2025
   Last modifiedVulnerability information updated.

Description

setSystemCommand on D-Link DCS-930L devices before 2.12 allows a remote attacker to execute code via an OS command in the SystemCommand parameter.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.