CVE-2026-6250 Authenticated Format String Injection on TP-Link Tapo C110
Authenticated attackers can exploit a format string vulnerability in the ONVIF service to trigger unauthorized factory resets and service disruption.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-6250?
CVE-2026-6250 is a high-severity vulnerability in TP-Link Systems Inc. Tapo C110 v2, published on 11 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An authenticated format string vulnerability exists in the ONVIF service of Tapo C110 v2 due to improper handling of user-controlled input. Externally controlled data is interpreted as a format string, which can be used to manipulate stack memory, including control flow data such as return addresses.
A remote authenticated attacker may redirect execution flow to existing internal functions, triggering an unauthorized factory reset, leading to loss of configuration, deletion of stored credentials and service disruption.
Weakness: CWE-134
Which versions are affected by CVE-2026-6250?
It affects 1 product.
Products include Tp-Link Tapo C110 Firmware.
How do I fix CVE-2026-6250?
No fix has been published for CVE-2026-6250 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-6250 being exploited?
There is no known exploitation of CVE-2026-6250 in the wild and no public exploit code.
Sources
Also known as GHSA-4gmj-9m2m-6h5f.