Totolink CA750-PoE Setting cstecgi.cgi recvUpgradeNewFw os command injection_CVE-2026-9533

5.3 / 10

MEDIUM

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

Description

A vulnerability was detected in Totolink CA750-PoE 6.2c.510. The impacted element is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Performing a manipulation of the argument fwUrl/magicid 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-2026-9533

Source VulDB

Published May 26, 2026 at 05:15

Affected Product

Vendor Totolink

Product CA750-PoE

Version 6.2c.510

Affected Versions Totolink CA750-PoE 6.2c.510

CWE Classification

CWE-78 CWE-77

References

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    "lastseen": "",
    "description": "A vulnerability was detected in Totolink CA750-PoE 6.2c.510. The impacted element is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Performing a manipulation of the argument fwUrl/magicid results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.",
    "published": "2026-05-26T05:15:08.872Z",
    "modified": "2026-05-26T05:15:08.872Z",
    "type": "cve",
    "title": "Totolink CA750-PoE Setting cstecgi.cgi recvUpgradeNewFw os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/365560\nhttps://vuldb.com/vuln/365560/cti\nhttps://vuldb.com/submit/813937\nhttps://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_56/56.md\nhttps://www.totolink.net/",
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    "cvss": {
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        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
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