CVE-2026-82597: Totolink NR1800X

High severity, CVSS 7.4. EPSS: 1.8% chance of exploitation in the next 30 days.

A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681_B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.

Affected products

• Totolink NR1800X: version 9.1.0u.6681_B20230703 only

Published 2026-08-31. Last modified 2026-08-31.