CVE-2026-42947 Naxclow IoT Platform Authorization bypass through User-Controlled key
Attackers can silently reassign devices to their accounts by replaying onboarding sequences, bypassing ownership validation in the Naxclow IoT platform.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-42947?
CVE-2026-42947 is a high-severity authentication bypass vulnerability in Naxclow Smart Doorbell X3, published on 12 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw in Naxclow's platform’s onboarding workflow allows an attacker to replay a confirm-then-bind sequence to silently reassign a device to an arbitrary account. Because the affected endpoints validate request signatures but do not confirm legitimate ownership, an attacker with any account can take over a device without user interaction while the device remains online and unaware.
Weakness: CWE-639
Which versions are affected by CVE-2026-42947?
How do I fix CVE-2026-42947?
No fix has been published for CVE-2026-42947 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-2026-42947 being exploited?
There is no known exploitation of CVE-2026-42947 in the wild and no public exploit code.
Sources
Also known as GHSA-hrr2-8g8j-2h2h.