CVE-2026-1328 HIGH

CVE-2026-1328: Totolink NR1800X POST Request cstecgi.cgi setWizardCfg buffer overflow

Vendor Totolink
Product NR1800X
Weakness CWE-120
Published January 22, 2026
Last update February 23, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 22, 2026 CVE published
February 23, 2026 Record updated