What’s Vulnerable › Vulnerabilities

CVE-2026-1326: Totolink NR1800X POST Request cstecgi.cgi setWanCfg command injection

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-22 · updated 2026-06-17
• Weakness: CWE-74

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.

Affected products

• Totolink NR1800X: 9.1.0u.6279_b20210910

References

• https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-setWanCfg-2e453a41781f80b390f3e1ce0d9dd5b9?source=copy_link
• https://vuldb.com/?ctiid.342302
• https://vuldb.com/?id.342302
• https://vuldb.com/?submit.735787
• https://www.totolink.net/

Get alerted when CVE-2026-1326 or the next vulnerability affects your stack