Totolink A7100RU cstecgi.cgi setDdnsCfg os command injection_CVE-2026-5688

6.9 / 10

MEDIUM

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

Description

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument provider leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

Basic Information

ID CVE-2026-5688

Source VulDB

Published Apr 6, 2026 at 22:15

Modified Apr 8, 2026 at 14:09

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": "2026-04-06T22:15:15.502Z",
    "modified": "2026-04-08T14:09:44.967Z",
    "type": "cve",
    "title": "Totolink A7100RU cstecgi.cgi setDdnsCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/355515\nhttps://vuldb.com/vuln/355515/cti\nhttps://vuldb.com/submit/792945\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_186/README.md\nhttps://www.totolink.net/",
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