CVE-2026-36778

Published Jun 9, 2026

Last updated 5 days ago

CVSS medium 4.9

Overview

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.
Source
cve@mitre.org
NVD status
Deferred

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.9
Impact score
3.6
Exploitability score
1.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Severity
MEDIUM

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-121

Social media

Hype score
Not currently trending

References

Sources include official advisories and independent security research.