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

published 2020-03-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2012

cvss: 7.2; version 3.1, CNA
cisa kev: Exploited; added 2022-03-25
epss: 69.6%; EPSS 69.6% chance of exploitation in 30 days, percentile 99.3%
public exploits: 1; Metasploit

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.

Patch / fix

cisa required action The impacted product is end-of-life and should be disconnected if still in use.

fixed in 1

dlink dcs-930l_firmware 2.12

Timeline

2015-12-20 First public exploit (Metasploit exploit/linux/http/dlink_dcs_930l_authenticated_remote_command_execution)
2020-03-09 Published
2022-03-25 Added to CISA KEV
2022-04-15 CISA patch deadline
2025-02-04 CISA SSVC: exploitation active

Known exploited

Added: 4 y ago (2022-03-25)
Patch by: 2022-04-15 (4 y ago)
Ransomware: Not known
Required action: The impacted product is end-of-life and should be disconnected if still in use.
Vendor, product: D-Link, DCS-930L Devices
CISA name: D-Link DCS-930L Devices OS Command Injection Vulnerability

CISA SSVC

Exploitation: Active, exploited in the wild
Automatable: no
Technical impact: total
Assessed: 21 mo ago (2025-02-04)

Exploit prediction

69.58% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

Metasploit exploit/linux/http/dlink_dcs_930l_authenticated_remote_command_execution D-Link DCS-930L Authenticated Remote Command Execution metasploit exploit, excellent rank, 2015-12-20
exploit-db.com https://www.exploit-db.com/exploits/39437 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

exploit-db.com /exploits/39437
exploit, third-party-advisory, vdb-entry
cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-11021
government-resource, us-government-resource

Sources

CVE List CVE-2016-11021
NVD CVE-2016-11021

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary