Improper input validation in TP-Link Tapo C220
CVE-2026-1315
By sending crafted files to the firmware update endpoint of Tapo C220 v1 and C520WS v2, the device terminates core system services before verifying authentication or firmware integrity. An unauthenticated attacker can trigger a persistent denial of service, requiring a manual reboot or application initiated restart to restore normal device operation.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (49.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.001
Affected products
- TP-Link Tapo C220 — versions 1
- TP-Link Tapo C220 Firmware
- TP-Link Tapo C520ws — versions 2
- TP-Link Tapo C520ws Firmware
- TP-Link Systems Inc. Tapo C220 V1 — versions 0
- TP-Link Systems Inc. Tapo C520ws V2 — versions 0
Weakness classification (CWE)
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-1315?
- CVE-2026-1315 is a high-severity vulnerability in TP-Link Tapo C220, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-01-27.
- How severe is CVE-2026-1315?
- High severity. CVSS v3 base score is 7.5 out of 10.