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CVE-2026-1326

6.3 · MEDIUM
Published Jan 22, 2026 totolink CWE-74

Overview

CVE-2026-1326 is a medium-severity vulnerability affecting totolink nr1800x_firmware. It was published on January 22, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from totolink. Update nr1800x_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2026-1326?

CVE-2026-1326 is a medium-severity vulnerability affecting totolink nr1800x_firmware. It was published on January 22, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-1326?

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-1326?

Check the references section for vendor advisories and patches from totolink. Update nr1800x_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-1326?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-1326 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.