Tenda W30E V2 Permissive CORS Allows Cross-origin Data Access
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenda | W30E V2 | up to 16.01.0.19(5037) | — | No fix listed | CNA |
- W30E V2 VendorTenda Affected up to 16.01.0.19(5037) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-24435
- 2026-10-03 Alias added: GHSA-9423-9282-jq44
References
More Tenda W30e Firmware vulnerabilities
- TI-2026-28218 Tenda W30E V2.0 V16.01.0.21 was found to contain a command injection vulnerability in the… CVSS 3.1CRITICAL 9.8
- TI-2025-35439 Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the v17… CVSS 3.1CRITICAL 9.8
- TI-2024-21252 Tenda W30E v1.0 V1.0.1.25(633) firmware has a stack overflow vulnerability located via… CVSS 3.1CRITICAL 9.8
- TI-2023-27351 Tenda W30E V16.01.0.12(4843) was discovered to contain a command injection vulnerability… CVSS 3.1CRITICAL 9.8
- TI-2023-26987 Tenda W30E V16.01.0.12(4843) was discovered to contain a stack overflow via the function formAdvancedSetListSet. CVSS 3.1CRITICAL 9.8
- TI-2022-22455 Tenda W30E v1.0.1.25(633) was discovered to contain a command injection vulnerability via… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-24435 · CVE Program
- CVE-2026-24435 · NVD
- FIRST EPSS
- GHSA-9423-9282-jq44 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences