CVE-2026-9385— Totolink A8000RU Web Management cstecgi.cgi setTracerouteCfg os command injection

CVSS 9.8 · Critical Updated May 24, 2026

Possible ATT&CK Techniques 3AI

T1133 · External Remote Services T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Totolink	A8000RU	`7.1cu.643_b20200521`	affected

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Vulnerability Information

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Vulnerability Title

Totolink A8000RU Web Management cstecgi.cgi setTracerouteCfg os command injection

Source: NVD (National Vulnerability Database)

Vulnerability Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument command causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

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

Vendor	Product	Affected Versions	CPE	Subscribe
Totolink	A8000RU	7.1cu.643_b20200521	`cpe:2.3:o:totolink:a8000ru_firmware::::::::`

II. Public POCs for CVE-2026-9385

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III. Intelligence Information for CVE-2026-9385

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Other References for CVE-2026-9385 (1)

vuldb_new2/A8000RU/vul_332/README.md at main · Litengzheng/vuldb_new2 · GitHubexploit

https://nvd.nist.gov/vuln/detail/CVE-2026-9385

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

CVE-2026-9407	9.8 CRITICAL	Totolink A8000RU Web Management cstecgi.cgi setFirewallType os command injection
CVE-2026-9406	9.8 CRITICAL	Totolink A8000RU Web Management cstecgi.cgi setRemoteCfg os command injection
CVE-2026-9405	9.8 CRITICAL	Totolink A8000RU Web Management cstecgi.cgi setGameSpeedCfg os command injection
CVE-2026-9404	9.8 CRITICAL	Totolink A8000RU Web Management cstecgi.cgi setDdnsCfg os command injection
CVE-2026-9388	9.8 CRITICAL	Totolink A8000RU Web Management cstecgi.cgi setScheduleCfg os command injection
CVE-2026-9387	9.8 CRITICAL	Totolink A8000RU Web Management cstecgi.cgi setUpgradeFW os command injection
CVE-2026-9386	9.8 CRITICAL	Totolink A8000RU Web Management cstecgi.cgi setLanguageCfg os command injection
CVE-2026-9384	9.8 CRITICAL	Totolink 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-2026-9385

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CVE-2026-9385— Totolink A8000RU Web Management cstecgi.cgi setTracerouteCfg os command injection

Possible ATT&CK Techniques 3AI

Affected Version Matrix 1

I. Basic Information for CVE-2026-9385

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-9385

III. Intelligence Information for CVE-2026-9385

Other References for CVE-2026-9385 (1)

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

IV. Related Vulnerabilities

V. Comments for CVE-2026-9385

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