NuytsTech Security

CVE-2026-5102

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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.

More information : https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_40/README.md

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