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CVE-2026-5102

Totolink A3300R Parameter cstecgi.cgi setSmartQosCfg command injection

CVSS 5.3 MEDIUMEPSS 2.2%CWE-74CWE-77
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.
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
Productos afectados
Totolink · A3300R
PoCs públicas encontradas — 1
cve_referencegithub.com/Litengzheng/vul_db/blob/main/A3300R/vul_40/README.mdno verificado
⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.

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Referencias
https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_40/README.mdhttps://vuldb.com/submit/779129https://vuldb.com/vuln/354127https://vuldb.com/vuln/354127/ctihttps://www.totolink.net/