CVE-2026-0919 Unauthenticated Denial of Service via Oversized URL in HTTP Parser on TP-Link Tapo C210, C220 & C520WS
Unauthenticated attackers can crash TP-Link Tapo cameras by sending oversized URLs, causing service restarts and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0919?
CVE-2026-0919 is a high-severity denial of service vulnerability in TP Link Systems Inc. Tapo C210 v3, published on 27 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2026-0919?
It affects 2 products.
Products include Tp-Link Tapo C220 Firmware, Tp-Link Tapo C520ws Firmware.
How do I fix CVE-2026-0919?
No fix has been published for CVE-2026-0919 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-0919 being exploited?
There is no known exploitation of CVE-2026-0919 in the wild and no public exploit code.
Other vulnerabilities in TP Link Systems Inc. Tapo C210 v3
Sources
Also known as GHSA-7ff9-hxc6-hrqm.