CVE-2026-5610 HIGH

CVE-2026-5610: Belkin F9K1015 formWISP5G stack-based overflow

Vendor Belkin
Product F9K1015
Weakness CWE-121
Published April 6, 2026
Last update April 6, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 6, 2026 CVE published
April 6, 2026 Record updated