CVE-2026-36778

4.9 mediumEPSS 0.4%

Medium (4.9). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.9 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWE: CWE-121
Published: 2026-06-09
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

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

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