OS Command Injection Vulnerability in D-Link DIR-816 by D-Link
CVE-2025-5620

6.9MEDIUM

Key Information:

Vendor

D-link

Status
Vendor
CVE Published:
5 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5620?

A significant vulnerability has been detected in the D-Link DIR-816, particularly in the 'setipsec_config' function accessible through the '/goform/setipsec_config' file. This issue allows attackers to manipulate the 'localIP' and 'remoteIP' arguments to execute arbitrary OS commands. The exploitation of this vulnerability can be performed remotely, posing a serious threat to the security of affected devices. It is crucial to note that this vulnerability primarily targets D-Link DIR-816 devices that are no longer supported by the vendor, leaving them vulnerable to potential attacks.

Affected Version(s)

DIR-816 1.10CNB05

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.

References

CVSS V4

Score:
6.9
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

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CVE-2025-5620 : OS Command Injection Vulnerability in D-Link DIR-816 by D-Link