high8.8
CVE-2026-31847
Hidden functionality in the /goform/setSysTools endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows remote enablement of a Teln…
Impact
Hidden functionality in the /goform/setSysTools endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows remote enablement of a Telnet service. By sending a crafted POST request with parameters such as telnetManageEn=true and telnetPwd, an authenticated attacker can activate a Telnet service on port 23.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nexxtsolutions | Nebula300plus Firmware | through 12.01.01.37 |