CVE-2026-7204 Details
Description
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setPptpServerCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument enable causes os command injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.
A command injection vulnerability has been identified in the Totolink A8000RU router, specifically in the version 7.1cu.643_b20200521. The issue resides within the CGI handler, in a function called setPptpServerCfg, located in the file /cgi-bin/cstecgi.cgi. This vulnerability allows remote attackers to execute arbitrary operating system commands by manipulating the 'enable' parameter in a crafted HTTP request. The injected commands are executed with root privileges on the device, potentially leading to a full compromise of the router and the network it is connected to.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 28, 2026CISA-ADP
Assessed Apr 28, 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_323/README.md | [email protected] | ExploitTechnical Description |
| https://vuldb.com/submit/801530 | [email protected] | Technical Description |
| https://vuldb.com/vuln/359804 | [email protected] | AdvisoryExploitPartial Content |
| https://vuldb.com/vuln/359804/cti | [email protected] | Content Wall |
| 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
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 28, 2026 | New CVE Received | [email protected] |