CVE-2026-6139

CRITICAL 9.8CVE-2026-6139 · Published 13/04/2026 · updated 26/10/2026

In short

CVE-2026-6139 is a CRITICAL (CVSS 9.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 1.8%, higher than 78.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

Litengzheng/vuldb_new
vuldb.com/submit/792982
vuldb.com/vuln/357003
vuldb.com/vuln/357003/cti
totolink.net

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