OS Command Injection Vulnerability in D-Link DIR-823X
CVE-2026-2142

8.6HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2142?

A vulnerability exists in the D-Link DIR-823X, specifically affecting the set_qos function. This flaw enables remote attackers to execute arbitrary OS commands, potentially compromising the device's integrity. The exploit has been publicly disclosed, raising concerns amongst users regarding the system's security. Immediate remediation is advised to mitigate risks associated with this vulnerability.

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-2026-2142 - Proof of Concept

References

https://vuldb.com/?id.344777
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344777
signaturepermissions-required
https://vuldb.com/?submit.747428
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

942384053 (VulDB User)
.