CVE-2026-1315
HIGHTP-Link Tapo C220 and C520WS Firmware - Unauthenticated Denial of Service via Firmware Update Endpoint
Title source: llmDescription
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.
References (5)
Core 5
Core References
Various Sources patch
https://www.tp-link.com/us/support/download/tapo-c220/v1.60/
Various Sources patch
https://www.tp-link.com/en/support/download/tapo-c220/v1/
Various Sources patch
https://www.tp-link.com/us/support/download/tapo-c520ws/v2/
Various Sources patch
https://www.tp-link.com/en/support/download/tapo-c520ws/v2/
Various Sources vendor-advisory
https://www.tp-link.com/us/support/faq/4923/
Scores
CVSS v3
7.5
EPSS
0.0058
EPSS Percentile
43.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (2)
tp-link/tapo_c220_firmware
< 1.4.2
tp-link/tapo_c520ws_firmware
< 1.2.3
Published
Jan 27, 2026
Tracked Since
Feb 18, 2026