CVE-2026-9432 Details
Description
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setWiFiAdvancedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument bgProtection results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
A command injection vulnerability has been identified in the Totolink A8000RU router, specifically in version 7.1cu.643_b20200521. The issue arises within the Web Management Interface, in the 'setWiFiAdvancedCfg' function of the '/cgi-bin/cstecgi.cgi' file. The vulnerability allows remote attackers to execute arbitrary operating system commands by manipulating the 'bgProtection' argument in a crafted request.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed May 25, 2026CISA-ADP
Assessed May 26, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_353/README.md | [email protected] | ExploitTechnical Description |
| https://vuldb.com/submit/813905 | [email protected] | Permission Required |
| https://vuldb.com/vuln/365413 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/365413/cti | [email protected] | AdvisoryPermission Required |
| https://www.totolink.net/ | [email protected] | Vendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Totolink A8000RU | 7.1cu.643_b20200521 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 25, 2026 | New CVE Received | [email protected] |
Volerion