OS Command Injection Vulnerability in D-Link DIR-823X Router
CVE-2026-2084

8.6HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2084?

A vulnerability has been detected in the D-Link DIR-823X router, specifically in the file /goform/set_language. This weakness can be exploited through a manipulation of the langSelection argument, enabling remote attackers to inject operating system commands. The public availability of exploit details heightens the risk, making it crucial for D-Link users to assess their security measures and apply necessary updates to safeguard against potential breaches.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

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-2026-2084 - Proof of Concept

References

https://vuldb.com/?id.344651
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344651
signaturepermissions-required
https://vuldb.com/?submit.746379
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)
JSON
.