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 breakdown
CVSS 4.0
Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
None
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
Affected products
- TP-Link Systems Inc. / Tapo C210 v30 – 1.2.6 Build 260328
- TP-Link Systems Inc. / Tapo C220 v10 – 1.4.2 Build 251112
- TP-Link Systems Inc. / Tapo C520WS v20 – 1.2.3 Build 251114
References
- MISChttps://www.tp-link.com/us/support/download/tapo-c220/v1.60/
- MISChttps://www.tp-link.com/en/support/download/tapo-c220/v1/
- MISChttps://www.tp-link.com/us/support/download/tapo-c520ws/v2/
- MISChttps://www.tp-link.com/en/support/download/tapo-c520ws/v2/
- MISChttps://www.tp-link.com/us/support/faq/4923/
- MISChttps://www.tp-link.com/us/support/download/tapo-c210/v3/
- MISChttps://www.tp-link.com/en/support/download/tapo-c210/v3/