What is CVE-2026-24436?

CVE-2026-24436 is a critical-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. W30e V2, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2026-01-26.

How severe is CVE-2026-24436?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Shenzhen Tenda Technology Co., Ltd. W30e V2

CVE-2026-24436

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) do not enforce rate limiting or account lockout mechanisms on authentication endpoints. This allows attackers to perform unrestricted brute-force attempts again…

EPSS: 0.004 (33.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Shenzhen Tenda Technology Co., Ltd. W30e V2 — versions 0
Tenda W30e — versions 2.0
Tenda W30e_firmware

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-24436?: CVE-2026-24436 is a critical-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. W30e V2, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2026-01-26.
How severe is CVE-2026-24436?: Critical severity. CVSS v3 base score is 9.8 out of 10.