Belkin F9K1122 webs formConnectionSetting stack-based overflow
CVE-2025-7090

8.7HIGH

Key Information:

Vendor

Belkin

Status
F9k1122
Vendor
CVE Published:
6 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7090?

A vulnerability, which was classified as critical, has been found in Belkin F9K1122 1.00.33. Affected by this issue is the function formConnectionSetting of the file /goform/formConnectionSetting of the component webs. The manipulation of the argument max_Conn/timeOut leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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-2025-7090 - Proof of Concept

References

https://vuldb.com/?id.315002
vdb-entrytechnical-description
https://vuldb.com/?ctiid.315002
signaturepermissions-required
https://vuldb.com/?submit.603699
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-2025-7090 : Stack-based Buffer Overflow in Belkin F9K1122 Router