Command Injection Vulnerability in D-Link DIR-818L Router
CVE-2025-8956

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dir‑818l
Vendor
CVE Published:
14 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8956?

A command injection vulnerability has been discovered in the D-Link DIR-818L router, specifically affecting the getenv function within the ssdpcgi component’s /htdocs/cgibin file. This security issue enables attackers to remotely manipulate commands, potentially leading to unauthorized command execution. As the exploit has been made public, users are strongly advised to take immediate action to secure their devices.

Affected Version(s)

DIR‑818L 1.05B01

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-2025-8956 - Proof of Concept

References

https://vuldb.com/?id.319925
vdb-entrytechnical-description
https://vuldb.com/?ctiid.319925
signaturepermissions-required
https://vuldb.com/?submit.627835
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

  • đź‘ľ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LonTan0 (VulDB User)
.
CVE-2025-8956 : Command Injection Vulnerability in D-Link DIR-818L Router