OS Command Injection Vulnerability in D-Link DIR-823X Product
CVE-2026-2210

8.6HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2210?

A vulnerability exists in the D-Link DIR-823X router that allows remote attackers to exploit the 'set_filtering' function. By manipulating specific parameters, an attacker can execute arbitrary operating system commands, potentially leading to unauthorized access and control over the affected device. This exploit has been publicly disclosed, highlighting the urgent need for users to secure their systems against possible remote attacks.

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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-2026-2210 - Proof of Concept

References

https://vuldb.com/?id.344925
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344925
signaturepermissions-required
https://vuldb.com/?submit.752165
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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

junqi (VulDB User)
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