OS Command Injection in D-Link DIR-882 Routers
CVE-2026-5844

8.6HIGH

Key Information:

Vendor

D-link
Status
Dir-882
Vendor
CVE Published:
9 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5844?

A security weakness has been identified in D-Link DIR-882 routers, particularly in the HNAP1 SetNetworkSettings functionality within the prog.cgi file. This vulnerability allows an attacker to manipulate the IPAddress argument, potentially enabling OS command injection from a remote location. Exploitation of this flaw is feasible and poses significant risk to users, particularly as it affects products that are no longer receiving support from D-Link. It is crucial for organizations and individuals using the affected versions to assess their exposure and consider immediate mitigation strategies.

Affected Version(s)

DIR-882 1.01B02

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-2026-5844 - Proof of Concept

References

https://vuldb.com/vuln/356329
vdb-entrytechnical-description
https://vuldb.com/vuln/356329/cti
signaturepermissions-required
https://vuldb.com/submit/790290
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

meshaal (VulDB User)
.