CVE-2026-6113 Details
Description
A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setTtyServiceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument ttyEnable leads to os command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.
A command injection vulnerability has been identified in the Totolink A7100RU router, specifically in the 7.4cu.2313_b20191024 version. The issue resides within the CGI handler, in a function called setTtyServiceCfg, located in the file /cgi-bin/cstecgi.cgi. This vulnerability allows remote attackers to execute arbitrary operating system commands by manipulating the ttyEnable parameter in a crafted HTTP request. The injected commands are executed with root privileges, potentially compromising the router and 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 12, 2026CISA-ADP
Assessed Apr 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_178/README.md | [email protected] | ExploitTechnical Description |
| https://vuldb.com/submit/792246 | [email protected] | Technical Description |
| https://vuldb.com/vuln/356973 | [email protected] | AdvisoryExploitPartial Content |
| https://vuldb.com/vuln/356973/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 A7100RU | 7.4cu.2313_b20191024 |
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 12, 2026 | New CVE Received | [email protected] |