Totolink A7100RU CGI cstecgi.cgi setWiFiEasyCfg os command injection_CVE-2026-5854

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 vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument merge results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

Basic Information

ID CVE-2026-5854

Source VulDB

Published Apr 9, 2026 at 06:45

Modified Apr 9, 2026 at 13:15

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": "2026-04-09T06:45:18.857Z",
    "modified": "2026-04-09T13:15:25.316Z",
    "type": "cve",
    "title": "Totolink A7100RU CGI cstecgi.cgi setWiFiEasyCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/356380\nhttps://vuldb.com/vuln/356380/cti\nhttps://vuldb.com/submit/791276\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_160/README.md\nhttps://www.totolink.net/",
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