Vulnerability in Shenzhen Tenda Technology Co., Ltd. W30e V2
CVE-2026-24435
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) implement an insecure Cross-Origin Resource Sharing (CORS) policy on authenticated administrative endpoints. The device sets Access-Control-Allow-Origin: * in combination with Access-Control-Allow-Credentials: true, allowing attacker-controlled origins to issue credentialed cross-origin requests.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (14.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · 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-permissive-cors-allows-cross-origin-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-24435?
- CVE-2026-24435 is a medium-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. W30e V2, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 6.5/10. Published 2026-01-26.
- How severe is CVE-2026-24435?
- Medium severity. CVSS v3 base score is 6.5 out of 10.