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CVE-2026-5976

Published: Apr 9, 2026

Modified: Apr 13, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setStorageCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument sambaEnabled results in os command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

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-356530 | Totolink A7100RU CGI cstecgi.cgi setStorageCfg os command injection

vdb-entry

technical-description

VDB-356530 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #791822 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection

third-party-advisory

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_162/README.md

exploit

https://www.totolink.net/

product

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