OS Command Injection in TOTOLINK N200RE by TOTOLINK
CVE-2025-7154

5.3MEDIUM

Key Information:

Vendor

Totolink
Status
N200re
Vendor
CVE Published:
8 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7154?

The TOTOLINK N200RE, specifically in versions 9.3.5u.6095_B20200916 and 9.3.5u.6139_B20201216, contains a vulnerability in the function sub_41A0F8 of the CGI script located at /cgi-bin/cstecgi.cgi. An attacker can exploit this vulnerability by manipulating the Hostname argument, which can lead to unauthorized execution of operating system commands. This can be executed remotely, making it critical for users to secure their devices against potential exploitation.

Affected Version(s)

N200RE 9.3.5u.6095_B20200916

N200RE 9.3.5u.6139_B20201216

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-2025-7154 - Proof of Concept

References

https://vuldb.com/?id.315092
vdb-entrytechnical-description
https://vuldb.com/?ctiid.315092
signaturepermissions-required
https://vuldb.com/?submit.606230
third-party-advisory

CVSS V4

Score:
5.3
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

FLY200503 (VulDB User)
.
CVE-2025-7154 : OS Command Injection in TOTOLINK N200RE by TOTOLINK