CVE-2026-5105— Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection
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I. Basic Information for CVE-2026-5105
Vulnerability Information
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Vulnerability Title
Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument pptpPassThru results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
TOTOLINK A3300R 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A3300R是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A3300R 17.0.0cu.557_b20221024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pptpPassThru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-2026-5105
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- Submit #779143: Totolink A3300R 17.0.0cu.557_b20221024 Command Injectionthird-party-advisory
- CVE-2026-5105 Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injectionvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-5105
Same Patch Batch · Totolink · 2026-03-30 · 4 CVEs total
| CVE-2026-5102 | 6.3 MEDIUM | Totolink A3300R Parameter cstecgi.cgi setSmartQosCfg command injection |
| CVE-2026-5103 | 6.3 MEDIUM | Totolink A3300R cstecgi.cgi setUPnPCfg command injection |
| CVE-2026-5104 | 6.3 MEDIUM | Totolink A3300R cstecgi.cgi setStaticRoute command injection |
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V. Comments for CVE-2026-5105
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