Stack-based Buffer Overflow in Belkin F9K1122 Router
CVE-2025-7091
Key Information:
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What is CVE-2025-7091?
A buffer overflow vulnerability exists in the Belkin F9K1122 router, specifically within the formWlanMP function of the webs component. By manipulating multiple parameters, an attacker could trigger a stack-based buffer overflow that allows for remote code execution. This exploitable weakness presents significant security risks, and although the issue has been disclosed publicly, the vendor has not responded to communications regarding the threat. Network administrators should take immediate action to secure their devices and monitor for any unusual activity related to this vulnerability.
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