Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1310 CNY

100%
Buy Us a Coffee

CVE-2026-9407— Totolink A8000RU Web Management cstecgi.cgi setFirewallType os command injection

CVSS 9.8 · Critical EPSS 0.89% · P76

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
TotolinkA8000RU7.1cu.643_b20200521affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-9407

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Totolink A8000RU Web Management cstecgi.cgi setFirewallType os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setFirewallType of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.
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)
Vulnerability Title
TOTOLINK A8000RU 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A8000RU是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 Totolink A8000RU 7.1cu.643_b20200521版本存在操作系统命令注入漏洞，该漏洞源于Web Management Interface组件文件/cgi-bin/cstecgi.cgi中函数setFirewallType的参数firewallType操作，可能导致OS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

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

II. Public POCs for CVE-2026-9407

#POC DescriptionSource LinkShenlong Link
AI-Generated POCVerified env Premium
Qwen3.6-35B-A3B · 8375 chars
Paid plan includes:
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-9407

请登录查看更多情报信息。

Proof of Concept for CVE-2026-9407 (1)

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

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-2026-93889.8 CRITICALTotolink A8000RU Web Management cstecgi.cgi setScheduleCfg 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-2026-9407

No comments yet

Leave a comment