Totolink A7100RU CGI cstecgi.cgi setAccessDeviceCfg os command injection_CVE-2026-6138

9.3 / 10

CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Description

A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mac causes os command injection. The attack can be initiated remotely. The exploit has been published and may be used.

Basic Information

ID CVE-2026-6138

Source VulDB

Published Apr 13, 2026 at 00:00

Affected Product

Vendor Totolink

Product A7100RU

Version 7.4cu.2313_b20191024

Affected Versions Totolink A7100RU 7.4cu.2313_b20191024

CWE Classification

CWE-78 CWE-77

References

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    "published": "2026-04-13T00:00:22.129Z",
    "modified": "2026-04-13T00:00:22.129Z",
    "type": "cve",
    "title": "Totolink A7100RU CGI cstecgi.cgi setAccessDeviceCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/357002\nhttps://vuldb.com/vuln/357002/cti\nhttps://vuldb.com/submit/792980\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_191/README.md\nhttps://www.totolink.net/",
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