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CVE-2026-31847

Hidden Functionality Enables Remote Telnet Activation via /goform/setSysTools in Nexxt Nebula 300+ PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Nexxt Solutions / Nebula 300+affected <= 12.01.01.37 through Nebula300+_v12.01.01.37

CWE

CWE-912

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.