OS Command Injection Vulnerability in D-Link Routers
CVE-2025-10440

5.3MEDIUM

Key Information:

Vendor

D-link

Vendor
CVE Published:
15 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10440?

A vulnerability exists in the jhttpd component of several D-Link routers, allowing remote attackers to execute arbitrary OS commands via crafted requests to the usb_paswd.asp file. Specifically, the issue is rooted in the manipulation of the 'hname' argument within the sub_4621DC function, enabling potential exploitation. Given the public disclosure of this vulnerability, immediate action is advised to secure affected devices.

Affected Version(s)

DI-8003 16.07.26A1

DI-8003 17.12.20A1

DI-8003 19.12.10A1

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:
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

shiny (VulDB User)
.