CVE-2026-7137 Details
Description
A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setStorageCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument sambaEnabled leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
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 the function 'setStorageCfg' of the file '/cgi-bin/cstecgi.cgi'. The vulnerability allows remote attackers to execute arbitrary operating system commands by manipulating the 'sambaEnabled' parameter in the HTTP request. This exploitation occurs without authentication and could lead to full compromise of the router and potentially the connected network.
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 27, 2026CISA-ADP
Assessed Apr 27, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_312/README.md | [email protected] | ExploitTechnical Description |
| https://vuldb.com/submit/801008 | [email protected] | Technical Description |
| https://vuldb.com/vuln/359736 | [email protected] | AdvisoryExploitPartial Content |
| https://vuldb.com/vuln/359736/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
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 27, 2026 | New CVE Received | [email protected] |