CVE-2026-8714 Denial-of-Service Vulnerability in RTSP Input Handling on TP-Link's Tapo C520WS

What is CVE-2026-8714?

CVE-2026-8714 is a high-severity denial of service vulnerability in TP-Link Systems Inc. Tapo C520WS v2, published on 5 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A denial-of-service vulnerability exists in the RTSP server component of TP-Link Tapo C520WS v2 due to improper handling of syntactically invalid input.  Crafted inputs can trigger a processing error, causing the RTSP service to enter non-responsive state.

Successful exploitation may cause the RTSP in a denial-of-service condition.

Weakness: CWE-20

Which versions are affected by CVE-2026-8714?

It affects 1 product.

Products include Tp-Link Tapo C520ws Firmware.

How do I fix CVE-2026-8714?

No fix has been published for CVE-2026-8714 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-8714 being exploited?

There is no known exploitation of CVE-2026-8714 in the wild and no public exploit code.

Other vulnerabilities in TP-Link Systems Inc. Tapo C520WS v2

• CVE-2026-34121 Authentication Bypass in DS Configuration Service via HTTP Request Parsing Differential of TP-Link Tapo C520WS High 8.7
• CVE-2026-34118 Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C100, C101, C210 & C520WS High 7.1
• CVE-2026-34119 Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WS High 7.1
• CVE-2026-34120 Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WS High 7.1
• CVE-2026-34122 Stack-based Buffer Overflow Leading to Denial of Service in TP-Link Tapo C520WS High 7.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-78fp-rfh4-99fh.