Command Injection Vulnerability in TOTOLINK N300RH Router Software
CVE-2025-4851

5.3MEDIUM

Key Information:

Vendor

Totolink
Status
N300rh
Vendor
CVE Published:
18 May 2025

What is CVE-2025-4851?

A security flaw has been identified in the TOTOLINK N300RH router's firmware, specifically within the setUploadUserData function of the /cgi-bin/cstecgi.cgi file. This vulnerability allows attackers to manipulate the FileName argument, leading to unauthorized command execution. The exploit can be initiated remotely, making it critical for users of affected versions to apply patches or mitigations promptly to safeguard their network.

Affected Version(s)

N300RH 6.1c.1390_B20191101

References

https://vuldb.com/?id.309322
vdb-entrytechnical-description
https://vuldb.com/?ctiid.309322
signaturepermissions-required
https://vuldb.com/?submit.575074
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

  • Vulnerability published

  • Vulnerability Reserved

Credit

DaddyShark (VulDB User)
.