VulnerabilityDeferred

CVE-2026-36778

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.

MEDIUM 4.9EPSS 0.37%

Does this matter?

Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.

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 3.1: 4.9 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.37% probability · 30th percentile
CISA KEV: Not listed
Weakness: CWE-121
Source: cve@mitre.org

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.