CVE-2026-15315 Unauthenticated Administrative Authentication Bypass via device_confirm Replay in TP-Link Tapo C120 and C200
An attacker on the local network can bypass authentication to gain administrative access and cause denial of service on TP-Link Tapo cameras.
- 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-2026-15315?
CVE-2026-15315 is a high-severity authentication bypass vulnerability in TP-Link Systems Inc Tapo C120 v1, published on 18 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Tapo C120 v1 and C200 v5 contain an improper authentication vulnerability within the login authentication verification module. An attacker on the local network can exploit weaknesses in challenge parameter validation to bypass normal authentication controls and obtain administrative session tokens.
Successful exploitation may allow an attacker to subsequently execute privileged management actions, enable unauthorized administrative access and temporary disruption of device services, resulting in a denial-of-service (DoS) condition.
Weakness: CWE-287
Which versions are affected by CVE-2026-15315?
It affects 2 products.
Products include Tp-Link Tapo C120 Firmware, Tp-Link Tapo C200 Firmware.
How do I fix CVE-2026-15315?
No fix has been published for CVE-2026-15315 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-15315 being exploited?
There is no known exploitation of CVE-2026-15315 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-xw5g-644p-8357.