CVE-2026-24435

Summary

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.

Affected Software

Weaknesses

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

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.tendacn.com/product/W30E
• https://www.vulncheck.com/advisories/tenda-w30e-v2-permissive-cors-allows-cross-origin-data-access

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