CVE-2026-1326CWE-74CWE-77

Totolink NR1800X POST Request cstecgi.cgi setWanCfg command injection

Medium · published January 22, 2026

CVSS v4.0
5.3
EPSS
3%
Percentile
89.1
In the wild
Unconfirmed
What it is

A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. This vulnerability affects the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument Hostname causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.03489 · 89.1th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-01-22T13:32Z
EPSS history
Timeline
  • 22 JAN 13:32Z
    Totolink NR1800X POST Request cstecgi.cgi setWanCfg command injection
    cvelistv5