CVE-2026-1327 MEDIUM

CVE-2026-1327: Totolink NR1800X POST Request cstecgi.cgi setTracerouteCfg command injection

Vendor Totolink
Product NR1800X
Weakness CWE-77
Published January 22, 2026
Last update February 23, 2026

CVSS base score

5.3/10
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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Such manipulation of the argument command leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

Key dates

02Disclosure timeline

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