High severity · published Jan 27, 2026
CVE-2026-0919
Unauthenticated Denial of Service via Oversized URL in HTTP Parser on TP-Link Tapo C210, C220 & C520WS
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
The HTTP parser of Tapo C210 v3, C220 v1 and C520WS v2 cameras improperly handles requests containing an excessively long URL path. An invalid‑URL error path continues into cleanup code that assumes allocated buffers exist, leading to a crash and service restart. An unauthenticated attacker can force repeated service crashes or device reboots, causing denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TC
Tapo C210 v3 · TP Link Systems Inc.
before 1.2.6 Build 260328 · source: vendor
TC
Tapo C220 v1 · TP-Link Systems Inc.
before 1.4.2 Build 251112 · source: vendor
TC
Tapo C520WS v2 · TP-Link Systems Inc.
before 1.2.3 Build 251114 · source: vendor
TC
Tapo C220 Firmware · Tp-link
before 1.4.2 · source: NVD
TC
Tapo C520ws Firmware · Tp-link
before 1.2.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0919
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0919
www.tp-link.com
https://www.tp-link.com/en/support/download/tapo-c210/v3/
Product
https://www.tp-link.com/en/support/download/tapo-c220/v1/
Product
https://www.tp-link.com/en/support/download/tapo-c520ws/v2/
www.tp-link.com
https://www.tp-link.com/us/support/download/tapo-c210/v3/
Product
https://www.tp-link.com/us/support/download/tapo-c220/v1.60/
Product
https://www.tp-link.com/us/support/download/tapo-c520ws/v2/
More from Tapo C210 v3
6.5
CVE-2026-34118
Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C100, C101, C210 & C520WS