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7.4
Belkin F9K1015 Router's Webpage Input Can Cause Crash
CVE-2026-5610
Summary
A security weakness in the Belkin F9K1015 router's user interface can allow an attacker to remotely crash the device. This could be used to disrupt internet access or cause other problems. It's recommended that users update their router to the latest available firmware to fix the issue.
Original title
A vulnerability has been found in Belkin F9K1015 1.00.10. Affected by this issue is the function formWISP5G of the file /goform/formWISP5G. Such manipulation of the argument webpage leads to stack-...
Original description
A vulnerability has been found in Belkin F9K1015 1.00.10. Affected by this issue is the function formWISP5G of the file /goform/formWISP5G. Such manipulation of the argument webpage leads to stack-based buffer overflow. It is possible to launch the attack 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.
nvd CVSS2.0
9.0
nvd CVSS3.1
8.8
nvd CVSS4.0
7.4
Vulnerability type
CWE-119
Buffer Overflow
CWE-121
Stack-based Buffer Overflow
Published: 6 Apr 2026 · Updated: 6 Apr 2026 · First seen: 6 Apr 2026