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CVE-2026-4611— TOTOLINK X6000R shttpd setLanCfg privilege escalation

Quick assessment

Affected
TOTOLINK X6000R
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TOTOLINK X6000R是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK X6000R 9.4.0cu.1360_B20241207版本和9.4.0cu.1498_B20250826版本存在操作系统命令注入漏洞，该漏洞源于对文件/usr/sbin/shttpd中函数setLanCfg的参数Hostname的错误操作，可能导致os命令注入攻击。

CVSS 7.2 · High EPSS 5.25% · P92

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4611

Vulnerability Information
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Vulnerability Title
TOTOLINK X6000R shttpd setLanCfg privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. Affected by this issue is the function setLanCfg of the file /usr/sbin/shttpd. Executing a manipulation of the argument Hostname can lead to os command injection. The attack may be launched remotely.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK X6000R 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK X6000R是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK X6000R 9.4.0cu.1360_B20241207版本和9.4.0cu.1498_B20250826版本存在操作系统命令注入漏洞，该漏洞源于对文件/usr/sbin/shttpd中函数setLanCfg的参数Hostname的错误操作，可能导致os命令注入攻击。
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

Vendor Product Affected Versions CPE Subscribe
TOTOLINK X6000R 9.4.0cu.1360_B20241207 cpe:2.3:o:totolink:x6000r_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4611

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III. Intelligence Information for CVE-2026-4611

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Vendor Advisories for CVE-2026-4611 (2)

IV. Related Vulnerabilities

Same product: X6000R
Same vendor: TOTOLINK
Same weakness: CWE-78

V. Comments for CVE-2026-4611

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