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CVE-2026-5102

MEDIUM

6.3

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.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/30/2026

Last Modified3/30/2026

Sourcenvd

Honeypot Sightings0

Affected Products

totolink:a3300rtotolink:a3300r_firmware

Weaknesses (CWE)

CWE-74CWE-77

References

https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_40/README.md(cna@vuldb.com)

https://vuldb.com/submit/779129(cna@vuldb.com)

https://vuldb.com/vuln/354127(cna@vuldb.com)

https://vuldb.com/vuln/354127/cti(cna@vuldb.com)

https://www.totolink.net/(cna@vuldb.com)

IOC Correlations

No correlations recorded

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