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CVE-2026-6138

Totolink A7100RU CGI cstecgi.cgi setAccessDeviceCfg os command injection

Published: Apr 13, 2026Updated: Apr 27, 2026 Sources: CVE List NVDCWE-77
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
1.8%
Top 24.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mac causes os command injection. The attack can be initiated remotely. The exploit has been published and may be used.

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
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Weaknesses

CWE-77CWE-78

Affected Products

A7100RUTotolinkNetworking Infrastructure
totolinkcommercialTWNetworking Infrastructureaka totolink corp.

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/357002
vuldb.com
https://vuldb.com/vuln/357002/cti
vuldb.com
https://vuldb.com/submit/792980
vuldb.com
and 2 more references View all →

Timeline

Published
Apr 13, 2026
Last Updated
Apr 27, 2026

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