CVE-2026-1328: Totolink NR1800X Firmware

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. Impacted is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Performing a manipulation of the argument ssid results in buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

Affected products

• Totolink NR1800X Firmware: version 9.1.0u.6279_b20210910 only

Published 2026-01-22. Last modified 2026-06-17.