CVE-2026-9032: Null Dereference

Description

Tapo C120 v1 and C200 v5 contain a NULL pointer dereference in the HTTPS onboarding connect request parser. The interface is reachable without authentication after initial setup and does not validate that a password field is present for certain authentication and encryption parameter combinations, allowing a malformed request from the same local network to crash the HTTPS service Successful exploitation may temporarily make HTTPS management functions unavailable. Repeated malformed requests may sustain the denial-of-service condition, and recovery may in some cases require a device reboot.

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Weakness Type (CWE)

CWE-476 CWE-476

References

Other References

https://www.tp-link.com/en/support/download/tapo-c120/v1.26/#Firmware-Release-Notes https://www.tp-link.com/en/support/download/tapo-c200/v5/#Firmware-Release-Notes https://www.tp-link.com/us/support/download/tapo-c120/v1.26/#Firmware-Release-Notes https://www.tp-link.com/us/support/download/tapo-c200/v5/#Firmware-Release-Notes https://www.tp-link.com/us/support/faq/5321/

Frequently Asked Questions

What is CVE-2026-9032? +

Tapo C120 v1 and C200 v5 contain a NULL pointer dereference in the HTTPS onboarding connect request parser. The interface is reachable without authentication after initial setup and does not validate that a password field is present for certain authentication and encryption parameter combinations, allowing a malformed request from the same local network to crash the HTTPS service Successful exploitation may temporarily make HTTPS management functions unavailable. Repeated malformed requests may sustain the denial-of-service condition, and recovery may in some cases require a device reboot.

How do I check if I'm vulnerable to CVE-2026-9032? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-9032