Stack-Based Buffer Overflow in Belkin F9K1122 Router
CVE-2025-7089
Key Information:
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What is CVE-2025-7089?
A stack-based buffer overflow vulnerability exists in the web interface of Belkin F9K1122 routers, specifically within the 'formWanTcpipSetup' function. By manipulating the 'pppUserName' argument, an attacker could potentially exploit this flaw, leading to unauthorized access or control over the device. This vulnerability can be triggered remotely, posing a significant risk to users. Despite notifications to Belkin regarding the issue, no formal response or patch has been issued, leaving the devices exposed to 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.
References
CVSS V4
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved