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

Source: https://junglewise.ai/threats/cve-2016-11021-d-link-dcs-930l-devices-os-command-injection-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-25. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2016-11021 · Severity: critical · CVSS 7.2 · Exploited in the wild · Published 2022-03-25

The setSystemCommand function on D-Link DCS-930L devices contains an OS command injection vulnerability. A remote attacker with high privileges can execute arbitrary code via the SystemCommand parameter.

Vendors: [D-Link](https://junglewise.ai/threats/vendors/d-link).

## Quick answers

**Is CVE-2016-11021 exploited in the wild?** Yes. CVE-2016-11021 is known to be exploited in the wild, first recorded on 25 March 2022. Treat it as urgent.

**How severe is CVE-2016-11021?** Critical severity, with a CVSS score of 7.2, published 25 March 2022.

**Which products and versions are affected?** D-Link DCS-930L Firmware before 2.12; D-Link DCS-930L.

**Is there a fix for CVE-2016-11021?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2016-11021 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2016-11021?** Check whether you run D-Link DCS-930L or D-Link Dcs-930l Devices. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- D-Link DCS-930L Firmware before 2.12
- D-Link DCS-930L

## Timeline

- 2020-03-08: disclosed: NVD Published Date
- 2022-03-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-03-25: exploited: Reported as exploited in the wild in CISA KEV catalog

## Related threats

- [D-Link DCS-930L bootloader Emergency Room improper signature verification](https://junglewise.ai/threats/cve-2026-108971-a-flaw-has-been-found-in-d-link-dcs-930l-b1-08b4-this-impacts)