CVE-2026-36794

HIGH

Tenda W3 v1.0.0.3(2204) - Multiple Stack Overflow via R7WebsSecurityHandler

Title source: llm

Description

Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.3(2204) was discovered to contain multiple stack overflows in the R7WebsSecurityHandler function via the username and password parameters. These vulnerabilities allow attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

References (1)

Core 1

Core References

https://github.com/xhh0124/SemVulLLM/tree/main/W3/R7WebsSecurityHandler

View Writeup ZIP pw:eip

Scores

CVSS v3 7.5

EPSS 0.0040

EPSS Percentile 31.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-121

Status published

Published Jun 09, 2026

Tracked Since Jun 10, 2026