Stack-Based Buffer Overflow in Belkin F9K1122 Router
CVE-2025-7094

8.7HIGH

Key Information:

Vendor

Belkin

Status
F9k1122
Vendor
CVE Published:
6 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7094?

A stack-based buffer overflow vulnerability exists in the Belkin F9K1122 router, specifically within the 'formBSSetSitesurvey' function of the webs component. This weakness arises from improper handling of the 'submit-url-ok' argument, which can potentially be exploited to execute arbitrary code remotely. Given the nature of this vulnerability, it poses a significant threat to the security of affected devices, especially since the details of the exploit have been publicly disclosed, and the vendor has not responded to warning notifications.

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-2025-7094 - Proof of Concept

References

https://vuldb.com/?id.315008
vdb-entrytechnical-description
https://vuldb.com/?ctiid.315008
signaturepermissions-required
https://vuldb.com/?submit.603711
third-party-advisory

CVSS V4

Score:
8.7
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

pjqwudi (VulDB User)
.
CVE-2025-7094 : Stack-Based Buffer Overflow in Belkin F9K1122 Router