CVE-2026-15316 Denial-of-Service via Oversized Encrypted Credential Input in TP-Link Tapo C200
An attacker can crash the TP-Link Tapo C200 camera by sending oversized encrypted credential data, causing a temporary 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-2026-15316?
CVE-2026-15316 is a high-severity denial of service vulnerability in TP-Link Systems Inc. Tapo C200 v5, 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
An improper input validation vulnerability in the configuration service for processing encrypted credential data has been identified in Tapo C200 v5. An attacker can send oversized crypted ciphertext values that may trigger exception handling failures, due to insufficient validation, causing the affected device to crash or restart.
Successful exploitation may temporarily disrupt HTTPS management and monitoring functionality, resulting in a denial-of-service (DoS) condition until the service recovers.
Weakness: CWE-20
Which versions are affected by CVE-2026-15316?
It affects 1 product.
Products include Tp-Link Tapo C200 Firmware.
How do I fix CVE-2026-15316?
No fix has been published for CVE-2026-15316 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-2026-15316 being exploited?
There is no known exploitation of CVE-2026-15316 in the wild and no public exploit code.
Other vulnerabilities in TP-Link Systems Inc. Tapo C200 v5
- CVE-2021-4045 TP-LINK Tapo C200 remote code execution vulnerability
- CVE-2025-14300 Unauthenticated Access to connectAP API Endpoint on Tapo C100, C200 & C425
- CVE-2025-8065 Remote Code Execution via Stack-based Buffer Overflow in ONVIF SOAP Parser in TP-Link Tapo C200 and C520WS
- CVE-2026-12760 Denial-of-Service Vulnerability via Malformed IPv4 Fragmentation Handling in TP-Link Tapo C200
- CVE-2026-1871 Authenticated Stack-based Buffer Overflow in RTSP Authentication of Tapo C200
Sources
Also known as GHSA-5fvx-mqqx-vrm4.