CVE-2026-5102

published 2026-03-30

CVE-2026-5102: A security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024. This vulnerability affects the function setSmartQosCfg of the file…

low 2.1 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 CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
totolink	a3300r	—	—
totolink	a3300r_firmware	—	—

CWE-74 CWE-77