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.
History

Wed, 10 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Title Stack Overflow in Username Parameter Causes DoS on Tenda O3 Wireless Router

Wed, 10 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 10 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda o3 Wireless Router
Vendors & Products Tenda
Tenda o3 Wireless Router

Tue, 09 Jun 2026 18:45:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-06-09T00:00:00.000Z

Updated: 2026-06-10T17:39:21.860Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-36778

cve-icon Vulnrichment

Updated: 2026-06-10T17:39:17.475Z

cve-icon NVD

Status : Deferred

Published: 2026-06-09T19:17:44.090

Modified: 2026-06-10T18:16:44.987

Link: CVE-2026-36778

cve-icon Redhat

No data.