CVE-2026-36779

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.5(4180) was discovered to contain multiple stack overflows in the fromVirtualSer function via the puVar2, puVar1, __s2, __s1_00, and puVar3 parameters. These vulnerabilities allow attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Published 2026-06-09. Last modified 2026-07-23.