CVE-2026-31846 Unauthenticated Credential Disclosure via /goform/ate in Nexxt Nebula 300+
An unauthenticated attacker can retrieve administrator credentials from the device, leading to full administrative access.
- 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-2026-31846?
CVE-2026-31846 is a high-severity vulnerability in Nexxt Solutions Nebula 300+ / Tenda F3 V2.0 Firmware, published on 23 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Missing authentication in the /goform/ate endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows an adjacent unauthenticated attacker to retrieve sensitive device information, including the administrator password. An attacker can decode this value to obtain valid administrative credentials and authenticate to the device.
Weakness: CWE-306
Which versions are affected by CVE-2026-31846?
How do I fix CVE-2026-31846?
No fix has been published for CVE-2026-31846 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-31846 being exploited?
There is no known exploitation of CVE-2026-31846 in the wild and no public exploit code.
Sources
Also known as GHSA-gf7h-gjp8-r79h.