CVE-2026-5102

CWE-74CWE-77 — Command Injection3 documents3 sources
Severity
5.3MEDIUM
EPSS
2.2%
top 15.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Totolink A3300rTotolink A3300r Firmware
Timeline
PublishedMar 30

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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Affected Packages2 packages

▶CVEListV5totolink/a3300r17.0.0cu.557_b20221024
▶NVDtotolink/a3300r_firmware17.0.0cu.557_b20221024

🔴Vulnerability Details

2
GHSA
GHSA-h2wr-p8mq-wj29: A security flaw has been discovered in Totolink A3300R 17↗2026-03-30
▶
CVEList
Totolink A3300R Parameter cstecgi.cgi setSmartQosCfg command injection↗2026-03-30
▶
CVE-2026-5102 (MEDIUM CVSS 5.3) | A security flaw has been discovered | cvebase.io