Totolink A3300R Parameter cstecgi.cgi setSmartQosCfg command injection_CVE-2026-5102

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 security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024. This vulnerability affects the function setSmartQosCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument qos_up_bw results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

Basic Information

ID CVE-2026-5102

Source VulDB

Published Mar 30, 2026 at 00:00

Modified Mar 30, 2026 at 15:56

Affected Product

Vendor Totolink

Product A3300R

Version 17.0.0cu.557_b20221024

Affected Versions Totolink A3300R 17.0.0cu.557_b20221024

CWE Classification

CWE-77 CWE-74

References

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    "published": "2026-03-30T00:00:20.436Z",
    "modified": "2026-03-30T15:56:03.600Z",
    "type": "cve",
    "title": "Totolink A3300R Parameter cstecgi.cgi setSmartQosCfg command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/354127\nhttps://vuldb.com/vuln/354127/cti\nhttps://vuldb.com/submit/779129\nhttps://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_40/README.md\nhttps://www.totolink.net/",
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