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CVE-2026-1326 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:6.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-setWanCfg-2e453a41781f80b390f3e1ce0d9dd5b9?source=copy_link	[email protected]	ExploitThird Party Advisory
https://vuldb.com/?ctiid.342302	[email protected]	Permissions RequiredVDB Entry
https://vuldb.com/?id.342302	[email protected]	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.735787	[email protected]	Third Party AdvisoryVDB Entry
https://www.totolink.net/	[email protected]	Product

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-74	Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')	[email protected]
CWE-77	Improper Neutralization of Special Elements used in a Command ('Command Injection')	[email protected]

Affected Products

Product	Versions
totolink nr1800x firmware	9.1.0u.6279_b20210910
CPE cpe:2.3:o:totolink:nr1800x_firmware:9.1.0u.6279_b20210910:::::::* Remediation No remediation found in references.
totolink nr1800x	All versions
CPE cpe:2.3:h:totolink:nr1800x:-:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 29, 2026	Data Remediation	[email protected]
Jan 29, 2026	Initial Analysis	[email protected]
Jan 22, 2026	New CVE Received	[email protected]