CVE-2026-6140

CWE-77 — Command InjectionCWE-78 — OS Command Injection4 documents4 sources
Severity
8.9HIGH
EPSS
0.9%
top 24.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Totolink A7100ru
Timeline
PublishedApr 13

Description

A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument FileName results in os command injection. The attack may be initiated remotely. The exploit has been made public and could be used.

CVSS vector

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

Affected Packages1 packages

▶CVEListV5totolink/a7100ru7.4cu.2313_b20191024

🔴Vulnerability Details

3
GHSA
GHSA-qq79-56j7-gmq4: A vulnerability was found in Totolink A7100RU 7↗2026-04-13
▶
CVEList
Totolink A7100RU CGI cstecgi.cgi UploadFirmwareFile os command injection↗2026-04-13
▶
VulDB
Totolink A7100RU 7.4cu.2313_b20191024 CGI /cgi-bin/cstecgi.cgi UploadFirmwareFile FileName os command injection↗2026-04-12
▶
CVE-2026-6140 (HIGH CVSS 8.9) | A vulnerability was found in Totoli | cvebase.io