CVE-2026-5102

MEDIUM CVSS 6.3 View on NVD ↗

Description

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 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected Products

totolink/a3300r totolink/a3300r_firmware

References

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

Published: Mar 30, 2026 00:16 UTC Modified: Mar 30, 2026 15:49 UTC