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CVE-2026-5851

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CVE-2026-5851

Published: Apr 9, 2026

Modified: Apr 9, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

VendorProductVersions

Totolink

A7100RU

affected
7.4cu.2313_b20191024

Weaknesses (CWE)

CWE-78
CWE-77

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

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