CVE-2023-27217: Belkin f7c063 Firmware

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

A stack-based buffer overflow in the ChangeFriendlyName() function of Belkin Smart Outlet V2 F7c063 firmware_2.00.11420.OWRT.PVT_SNSV2 allows attackers to cause a Denial of Service (DoS) via a crafted UPNP request.

Affected products

• Belkin f7c063 Firmware: version 2.00.11420.owrt.pvt_snsv2 only

Published 2023-05-18. Last modified 2026-06-17.