CVE-2026-5102 in Totolink A3300R
Summary
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.
Disclosure
03/30/2026
Entries
| Published | Base | Temp | Vulnerability | CWE | Prod | Exp | Cou | EPSS | CTI | CVE |
|---|---|---|---|---|---|---|---|---|---|---|
| 03/29/2026 | 6.3 | 5.7 | Totolink A3300R Parameter cstecgi.cgi setSmartQosCfg command injection | 77 | Unknown | Proof-of-Concept | Not defined | 0.00000 | 4.01 | CVE-2026-5102 |