A vulnerability classified as critical was found in Belkin F9K1122 1.00.33. Affected by this vulnerability is the function formL2TPSetup of the file /goform/formL2TPSetup of the component webs. The manipulation of the argument L2TPUserName leads to stack-based buffer overflow. The attack can be launched 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.
Use CWE-119, Belkin vendor hub and F9k1122 Firmware product page to widen CVE-2025-7087 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2026-5044, CVE-2026-5043 and CVE-2026-5042 for nearby disclosures in the same product family.