CVE-2026-1315
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Tp-link Tapo C220 Firmware
PublishedJan 27, 2026
First seenJan 27, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- tp-link tapo_c220_firmware1.4.2 or later
- tp-link tapo_c520ws_firmware1.2.3 or later
Patches
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tp-link tapo_c220_firmware | v < 1.4.2 | 1.4.2 |
| tp-link tapo_c520ws_firmware | v < 1.2.3 | 1.2.3 |
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