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CVE

CWE

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CVE-2026-6138

Published: Apr 13, 2026

Modified: Apr 13, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

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.

Vendor	Product	Versions
Totolink	A7100RU	affected `7.4cu.2313_b20191024`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-357002 | Totolink A7100RU CGI cstecgi.cgi setAccessDeviceCfg os command injection

vdb-entry

technical-description

VDB-357002 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #792980 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection

third-party-advisory

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_191/README.md

exploit

https://www.totolink.net/

product

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