CVE-2026-1326

MEDIUM

Totolink NR1800X 9.1.0u.6279_B20210910 - OS Command Injection via Hostname Parameter in setWanCfg

Title source: llm
STIX 2.1

Description

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.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.342302
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.342302
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.735787
Product product
https://www.totolink.net/

Scores

CVSS v3 6.3
EPSS 0.0047
EPSS Percentile 64.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-74 CWE-77
Status published
Products (1)
totolink/nr1800x_firmware 9.1.0u.6279_b20210910
Published Jan 22, 2026
Tracked Since Feb 18, 2026