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CVE-2026-6139

Totolink A7100RU CGI cstecgi.cgi UploadOpenVpnCert os command injection

Published: Apr 13, 2026Updated: Apr 13, 2026 Sources: CVE List NVD
NVD MITRE
9.8CVSS
CRITICAL

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-77CWE-78

Affected Products

A7100RU
Totolink

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://vuldb.com/vuln/357003
vuldb.com
https://vuldb.com/vuln/357003/cti
vuldb.com
https://vuldb.com/submit/792982
vuldb.com
and 2 more references View all →

Timeline

Published
Apr 13, 2026
Last Updated
Apr 13, 2026

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