OS Command Injection Vulnerability in D-Link Router
CVE-2026-2081

5.1MEDIUM

Key Information:

Vendor

D-link
Status
Dir-823x
Vendor
CVE Published:
7 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2081?

A critical OS command injection vulnerability has been identified in the D-Link DIR-823X router, specifically in the /goform/set_password function. This issue arises when the http_passwd argument is manipulated, allowing an attacker to execute arbitrary commands on the system. The vulnerability can be exploited remotely, potentially exposing the device to unauthorized access and control. The exploit details have been publicly disclosed, emphasizing the need for users to assess their device security and apply necessary mitigations promptly.

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Affected Version(s)

DIR-823X 250416

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-2026-2081 - Proof of Concept

References

https://vuldb.com/?id.344648
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344648
signaturepermissions-required
https://vuldb.com/?submit.745553
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

942384053 (VulDB User)
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