Improper input validation in TP-Link Tapo C520ws

CVE-2026-8714

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-8714: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-8714?
CVE-2026-8714 is a medium-severity vulnerability in TP-Link Tapo C520ws, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-06-05.
How severe is CVE-2026-8714?
Medium severity. CVSS v3 base score is 6.5 out of 10.