High 7.1Published Jan 27, 2026

CVE-2026-1315Unauthenticated Denial of Service via Firmware Update Endpoint on TP-Link Tapo C220 & C520WS

Updated under an hour ago (Oct 27, 2026, 11:50 AM ET)

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It affects TP-Link Systems Inc. Tapo C220 v1 and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for TP-Link Systems Inc. Tapo C220 v1

Exploited in the last 30 days

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.

CVSS: 7.1 HIGH (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: TPLink
NVD analysis: Analyzed
Record last updated: Jan 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TP-Link Systems Inc. Tapo C220 v1 tp_link_systems:tapo_c220_v1 (from the name)	before 1.4.2 Build 251112	CNA record
TP-Link Systems Inc. Tapo C520WS v2 tp_link_systems:tapo_c520ws_v2 (from the name)	before 1.2.3 Build 251114	CNA record
tp-link tapo_c220_firmware tp-link:tapo_c220_firmware	before 1.4.2	NVD
tp-link tapo_c520ws_firmware tp-link:tapo_c520ws_firmware	before 1.2.3	NVD

References

References

https://www.tp-link.com/us/support/download/tapo-c220/v1.60/	patch, product
https://www.tp-link.com/en/support/download/tapo-c220/v1/	patch, product
https://www.tp-link.com/us/support/download/tapo-c520ws/v2/	patch, product
https://www.tp-link.com/en/support/download/tapo-c520ws/v2/	patch, product
https://www.tp-link.com/us/support/faq/4923/	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.