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.

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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)
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