Command Injection Vulnerability in D-Link DCS-931L Camera Firmware
CVE-2026-2227

5.1MEDIUM

Key Information:

Vendor

D-link
Status
Dcs-931l
Vendor
CVE Published:
9 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2227?

A command injection vulnerability exists in the D-Link DCS-931L camera's firmware, specifically in the 'doSystem' function located in the '/setSystemAdmin' file. This issue arises from improper handling of the 'AdminID' argument, allowing remote attackers to execute arbitrary commands. This vulnerability poses significant risks, particularly to devices that are no longer supported by the manufacturer, as they do not receive necessary security updates. The details of the exploit have been made public, emphasizing the importance of vigilance for users of affected firmware versions.

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Affected Version(s)

DCS-931L 1.0

DCS-931L 1.1

DCS-931L 1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-2227 - Proof of Concept

References

https://vuldb.com/?id.344944
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344944
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https://vuldb.com/?submit.753450
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ruler-Chovy (VulDB User)
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