Stack-Based Buffer Overflow in Belkin F9K1122 Router Web Interface
CVE-2025-7086
Key Information:
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What is CVE-2025-7086?
A stack-based buffer overflow vulnerability exists in the PPTP setup functionality of Belkin's F9K1122 router, specifically affecting version 1.00.33. The exploit occurs when manipulating the 'pptpUserName' argument within the '/goform/formPPTPSetup' file. This flaw allows remote attackers to execute arbitrary code, potentially compromising the router's security. Public disclosure has occurred, and although the vendor was notified, no response has been recorded regarding remediation.
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