CVE-2026-75618 TP-Link Systems Inc. CVE debrief

Who should care

Administrators and users of Tp Link Tapo C100/C101 V5 devices should be aware of this vulnerability and take steps to mitigate its impact. This includes applying vendor-provided firmware updates, implementing compensating controls, and monitoring device logs for signs of exploitation attempts.

Technical summary

The CVE-2026-75618 vulnerability in Tp Link Tapo C100/C101 V5 devices is due to a null pointer dereference in the RTSP service. An attacker on the local network can send specially crafted requests to 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. The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity.

Defensive priority

Tp Link Tapo C100/C101 V5 devices are vulnerable to a null pointer dereference in the RTSP service, allowing an attacker on the local network to cause a service crash and device reboot, disrupting live video streaming and causing a temporary denial-of-service condition.

Recommended defensive actions

• Inventory Tp Link Tapo C100/C101 V5 devices for potential exposure
• Apply vendor-provided firmware updates to vulnerable devices
• Implement compensating controls to mitigate the impact of a potential denial-of-service condition
• Monitor device logs for signs of exploitation attempts
• Restrict access to the RTSP service to trusted networks and hosts

Evidence notes

The CVE-2026-75618 vulnerability in Tp Link Tapo C100/C101 V5 devices is due to a null pointer dereference in the RTSP service. An attacker on the local network can send specially crafted requests to 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. The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.