Stack Overflow Vulnerability in Tenda W3 Wireless Router by Shenzhen Tenda Technology Co., Ltd
CVE-2026-36777

6.5MEDIUM

Key Information:

Vendor

Shenzhen Tenda Technology Co., Ltd

Status
Tenda W3 Wireless Router
Vendor
CVE Published:
9 June 2026

What is CVE-2026-36777?

A stack overflow vulnerability has been identified in the Tenda W3 Wireless Router, specifically in the param_1 parameter of the formSetCfm function. This flaw allows attackers to exploit the device by sending specially crafted HTTP requests, resulting in a Denial of Service (DoS). Successful exploitation may lead to the router becoming unresponsive, potentially impacting the availability of network services. Users are advised to monitor their devices and apply security measures to mitigate risks associated with this vulnerability.

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.