CVE-2026-36778

—

CVSS 3.1

4.9 medium

EPSS

<1%p30

Published

Jun 9, 2026 (Jun 9, 2026)

Modified

Jul 23, 2026

Description

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.5(4180) was discovered to contain a stack overflow in the username parameter of the R7WebsSecurityHandler function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Weakness: CWE-121
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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