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Description

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 Reserved 2026-01-22 | Published 2026-01-26 | Updated 2026-01-26 | Assigner VulnCheck




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-942 Permissive Cross-domain Security Policy with Untrusted Domains

Product status

Default status
unknown

Any version
affected

Credits

Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc. finder

References

www.tendacn.com/product/W30E product

www.vulncheck.com/...ve-cors-allows-cross-origin-data-access third-party-advisory

cve.org (CVE-2026-24435)

nvd.nist.gov (CVE-2026-24435)

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