Command Injection Vulnerability in D-Link DCS-933L Products
CVE-2026-2218

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dcs-933l
Vendor
CVE Published:
9 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2218?

A command injection vulnerability exists in D-Link DCS-933L firmware versions up to 1.14.11 due to improper handling of parameters in the '/setSystemAdmin' functionality of the alphapd component. This flaw allows an attacker to remotely execute arbitrary commands by manipulating the AdminID argument. As the affected products are no longer supported, the risk is increased as no patches will be provided to remediate this vulnerability. Exploitation is possible in environments where these devices are exposed to the internet.

Affected Version(s)

DCS-933L 1.14.0

DCS-933L 1.14.1

DCS-933L 1.14.2

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-2026-2218 - Proof of Concept

References

https://vuldb.com/?id.344936
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344936
signaturepermissions-required
https://vuldb.com/?submit.753247
third-party-advisory

CVSS V4

Score:
5.3
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

allanp0e (VulDB User)
.