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 against administrative credentials.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (38.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000
Affected products
- Shenzhen Tenda Technology Co., Ltd. W30e V2 — versions 0
- Tenda W30e — versions 2.0
- Tenda W30e Firmware
Weakness classification (CWE)
References
- www.tendacn.com/product/W30E (Product, product)
- www.vulncheck.com/advisories/tenda-w30e-v2-lacks-rate-limiting-on-authentication (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.