CVE-2026-1633 Synectix LAN 232 TRIO Missing Authentication for Critical Function
Unauthenticated attackers can modify critical settings or factory reset the Synectix LAN 232 TRIO adapter via its web interface.
- 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-2026-1633?
CVE-2026-1633 is a critical missing authorization vulnerability in Synectix LAN 232 TRIO, published on 3 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Synectix LAN 232 TRIO 3-Port serial to ethernet adapter exposes its web management interface without requiring authentication, allowing unauthenticated users to modify critical device settings or factory reset the device.
Weakness: CWE-306
Which versions are affected by CVE-2026-1633?
How do I fix CVE-2026-1633?
No fix has been published for CVE-2026-1633 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-1633 being exploited?
There is no known exploitation of CVE-2026-1633 in the wild and no public exploit code.
Sources
Also known as GHSA-wr22-69c2-f45v.