CVE-2026-1327— Totolink NR1800X POST Request cstecgi.cgi setTracerouteCfg command injection
Quick assessment
Affected
Totolink NR1800X
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
TOTOLINK NR1800X是中国吉翁电子（TOTOLINK）公司的一款出色的 5G NR 室内Wi-Fi和SIP CPE。旨在为家庭和办公室提供快速便捷的 NR 固定数据服务部署。 TOTOLINK NR1800X 9.1.0u.6279_B20210910版本存在命令注入漏洞，该漏洞源于对文件/cgi-bin/cstecgi.cgi中参数command的错误操作，可能导致命令注入。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-1327
Vulnerability Information
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Vulnerability Title
Totolink NR1800X POST Request cstecgi.cgi setTracerouteCfg command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Such manipulation of the argument command leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK NR1800X 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK NR1800X是中国吉翁电子（TOTOLINK）公司的一款出色的 5G NR 室内Wi-Fi和SIP CPE。旨在为家庭和办公室提供快速便捷的 NR 固定数据服务部署。 TOTOLINK NR1800X 9.1.0u.6279_B20210910版本存在命令注入漏洞，该漏洞源于对文件/cgi-bin/cstecgi.cgi中参数command的错误操作，可能导致命令注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-1327
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Totolink · 2026-01-22 · 3 CVEs total
| CVE-2026-1328 | 8.8 HIGH | Totolink NR1800X POST Request cstecgi.cgi setWizardCfg buffer overflow |
| CVE-2026-1326 | 6.3 MEDIUM | Totolink NR1800X POST Request cstecgi.cgi setWanCfg command injection |
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V. Comments for CVE-2026-1327
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