What’s Vulnerable › Vulnerabilities

CVE-2026-75618: RTSP Null Pointer Dereference Denial-of-Service Vulnerability on TP-Link Tapo C100 and C101

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-19 · updated 2026-10-26
• Weakness: CWE-476

Description

Tapo C100/C101 V5 contains a null pointer dereference vulnerability in the RTSP service. An attacker on the local network can send specially crafted requests that cause the service to dereference an invalid pointer, resulting in a service crash and device reboot. Successful exploitation can disrupt live video streaming functionality and cause a temporary denial-of-service condition.

Affected products

• TP-Link Tapo C100 Firmware: before 1.5.4 — fixed in 1.5.4
• TP-Link Tapo C101 Firmware: before 1.5.4 — fixed in 1.5.4

How to fix

Upgrade to a fixed version: TP-Link Tapo C100 Firmware 1.5.4; TP-Link Tapo C101 Firmware 1.5.4. Check the vendor advisory for mitigations.

References

• https://www.tp-link.com/en/support/download/tapo-c100/#Firmware-Release-Notes
• https://www.tp-link.com/us/support/download/tapo-c100/#Firmware-Release-Notes
• https://www.tp-link.com/us/support/download/tapo-c101/#Firmware-Release-Notes
• https://www.tp-link.com/us/support/faq/5251/

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