OS Command Injection Vulnerability in Belkin F9K1122 Router
CVE-2025-7081

5.3MEDIUM

Key Information:

Vendor

Belkin

Status
F9k1122
Vendor
CVE Published:
6 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7081?

A significant vulnerability exists in the Belkin F9K1122 router's firmware version 1.00.33, specifically within the function formSetWanStatic. By manipulating the parameters m_wan_ipaddr, m_wan_netmask, m_wan_gateway, m_wan_staticdns1, and m_wan_staticdns2, an attacker can execute arbitrary OS commands remotely. This security flaw can allow unauthorized access to the system, potentially leading to the compromise of sensitive information. The issue was publicly disclosed, raising concerns about the urgency for users to secure their systems against potential exploitation.

Affected Version(s)

F9K1122 1.00.33

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-2025-7081 - Proof of Concept

References

https://vuldb.com/?id.314995
vdb-entrytechnical-description
https://vuldb.com/?ctiid.314995
signaturepermissions-required
https://vuldb.com/?submit.603669
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

Bond (VulDB User)
.