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.
References
| Link | Resource |
|---|---|
| https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_40/README.md | Exploit Third Party Advisory |
| https://vuldb.com/submit/779129 | Permissions Required VDB Entry |
| https://vuldb.com/vuln/354127 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/354127/cti | Third Party Advisory VDB Entry |
| https://www.totolink.net/ | Product |
Configurations
Configuration 1 (hide)
| AND |
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History
30 Mar 2026, 15:49
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_40/README.md - Exploit, Third Party Advisory | |
| References | () https://vuldb.com/submit/779129 - Permissions Required, VDB Entry | |
| References | () https://vuldb.com/vuln/354127 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/vuln/354127/cti - Third Party Advisory, VDB Entry | |
| References | () https://www.totolink.net/ - Product | |
| CPE | cpe:2.3:h:totolink:a3300r:-:*:*:*:*:*:*:* cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:* |
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| First Time |
Totolink
Totolink a3300r Totolink a3300r Firmware |
Information
Published : 2026-03-30 00:16
Updated : 2026-03-30 15:49
NVD link : CVE-2026-5102
Mitre link : CVE-2026-5102
CVE.ORG link : CVE-2026-5102
JSON object : View
Products Affected
totolink
- a3300r
- a3300r_firmware