CVE-2026-6139

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 has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument FileName leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may 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
CVEList
Totolink A7100RU CGI cstecgi.cgi UploadOpenVpnCert os command injection↗2026-04-13
▶
GHSA
GHSA-87hc-gvqr-qvx5: A vulnerability has been found in Totolink A7100RU 7↗2026-04-13
▶
VulDB
Totolink A7100RU 7.4cu.2313_b20191024 CGI /cgi-bin/cstecgi.cgi UploadOpenVpnCert FileName os command injection↗2026-04-12
▶
CVE-2026-6139 (HIGH CVSS 8.9) | A vulnerability has been found in T | cvebase.io