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CVE-2026-9388— Totolink A8000RU Web Management cstecgi.cgi setScheduleCfg os command injection

CVSS 9.8 · Critical

Affected Version Matrix 1

VendorProductVersion RangeStatus
TotolinkA8000RU7.1cu.643_b20200521affected
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I. Basic Information for CVE-2026-9388

Vulnerability Information
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Vulnerability Title
Totolink A8000RU Web Management cstecgi.cgi setScheduleCfg os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument mode can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
TotolinkA8000RU 7.1cu.643_b20200521 cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9388

#POC DescriptionSource LinkShenlong Link
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Qwen3.6-35B-A3B · 8934 chars
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III. Intelligence Information for CVE-2026-9388

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News Coverage for CVE-2026-9388 (1)

Same Patch Batch · Totolink · 2026-05-24 · 9 CVEs total

CVE-2026-94079.8 CRITICALTotolink A8000RU Web Management cstecgi.cgi setFirewallType os command injection
CVE-2026-94069.8 CRITICALTotolink A8000RU Web Management cstecgi.cgi setRemoteCfg os command injection
CVE-2026-94059.8 CRITICALTotolink A8000RU Web Management cstecgi.cgi setGameSpeedCfg os command injection
CVE-2026-94049.8 CRITICALTotolink A8000RU Web Management cstecgi.cgi setDdnsCfg os command injection
CVE-2026-93879.8 CRITICALTotolink A8000RU Web Management cstecgi.cgi setUpgradeFW os command injection
CVE-2026-93869.8 CRITICALTotolink A8000RU Web Management cstecgi.cgi setLanguageCfg os command injection
CVE-2026-93859.8 CRITICALTotolink A8000RU Web Management cstecgi.cgi setTracerouteCfg os command injection
CVE-2026-93849.8 CRITICALTotolink A8000RU Web Management cstecgi.cgi setDiagnosisCfg os command injection

IV. Related Vulnerabilities

Same product: A8000RU
Same vendor: Totolink
Same weakness: CWE-78

V. Comments for CVE-2026-9388

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