Command Injection Vulnerability in D-Link Router
CVE-2026-8346

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dir-816
Vendor
CVE Published:
11 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8346?

A command injection vulnerability exists in the D-Link DIR-816 router due to improper handling of the 'ip_address' parameter in the portForward function. This flaw allows remote attackers to execute arbitrary commands on the device, potentially leading to unauthorized access and control. With the exploit currently public, it poses a significant risk to users running the affected firmware version. Mitigation measures are required to secure affected systems against potential threats.

Affected Version(s)

DIR-816 1.10CNB05_R1B011D88210

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-2026-8346 - Proof of Concept

References

https://vuldb.com/vuln/362662
vdb-entrytechnical-description
https://vuldb.com/vuln/362662/cti
signaturepermissions-required
https://vuldb.com/submit/811380
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

stksgg (VulDB User)
.