CVE-2026-76943 Xiiaozet LK100W Authentication Bypass Using an Alternate Path or Channel
Attackers can bypass authentication on the Xiiaozet LK100W administrative service to execute commands and compromise the device.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76943?
CVE-2026-76943 is a critical authentication bypass vulnerability in Xiiaozet LK100W, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Xiiaozet LK100Wt contains an authentication weakness within an administrative service that may allow an attacker to bypass intended access controls and obtain command execution capabilities. Successful exploitation could allow unauthorized interaction with privileged functionality and may lead to complete device compromise.
Weakness: CWE-288
Which versions are affected by CVE-2026-76943?
How do I fix CVE-2026-76943?
No fix has been published for CVE-2026-76943 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-2026-76943 being exploited?
There is no known exploitation of CVE-2026-76943 in the wild and no public exploit code.
Sources
Also known as GHSA-6x82-vfrh-gxpc.