OS Command Injection Vulnerability in Totolink A7100RU Router
CVE-2026-5692

6.9MEDIUM

Key Information:

Vendor

Totolink
Status
A7100ru
Vendor
CVE Published:
6 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5692?

A security flaw has been identified in the Totolink A7100RU router, specifically in the function setGameSpeedCfg located in /cgi-bin/cstecgi.cgi. This vulnerability allows for OS command injection through manipulation of the 'enable' argument, potentially enabling an attacker to execute arbitrary commands on the device remotely. As this exploit has been made public, users are advised to take immediate action to protect their systems from potential attacks.

Affected Version(s)

A7100RU 7.4cu.2313_b20191024

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-5692 - Proof of Concept

References

https://vuldb.com/vuln/355519
vdb-entrytechnical-description
https://vuldb.com/vuln/355519/cti
signaturepermissions-required
https://vuldb.com/submit/792963
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LtzHust2 (VulDB User)
.