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CVE

CWE

Training

CVE-2026-5977

Published: Apr 9, 2026

Modified: Apr 14, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wifiOff can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could 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-356531 | Totolink A7100RU CGI cstecgi.cgi setWiFiBasicCfg os command injection

vdb-entry

technical-description

VDB-356531 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #791823 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection

third-party-advisory

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_163/README.md

exploit

https://www.totolink.net/

product

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