CVE-2026-36778

MEDIUM EPSS 28.8%

Published Jun 9, 20263w ago · Modified Jun 17, 20261w ago

4.9 CVSS 3.1

Medium

Published Jun 9, 2026 3w ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

4.9

Exploitability

1.2

Impact

3.6

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction None

Scope Unchanged

Confidentiality None

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

28.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-121

References 1

github.com https://github.com/xhh0124/SemVulLLM/tree/main/O3/R7WebsSecurityHandler

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.