CWE
77 74
Advisory Published
Updated

CVE-2025-4851: TOTOLINK N300RH cstecgi.cgi setUploadUserData command injection

First published: Sun May 18 2025(Updated: )

A vulnerability classified as critical was found in TOTOLINK N300RH 6.1c.1390_B20191101. This vulnerability affects the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Credit: cna@vuldb.com

Affected SoftwareAffected VersionHow to fix
TOTOLINK N300RH

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Frequently Asked Questions

  • What is the severity of CVE-2025-4851?

    CVE-2025-4851 is classified as a critical vulnerability.

  • How does CVE-2025-4851 impact the TOTOLINK N300RH?

    CVE-2025-4851 affects the function setUploadUserData in the /cgi-bin/cstecgi.cgi file, allowing for command injection.

  • How can I mitigate CVE-2025-4851?

    Mitigation for CVE-2025-4851 involves updating the TOTOLINK N300RH to the latest firmware version.

  • What is the exploit technique for CVE-2025-4851?

    The exploit technique for CVE-2025-4851 involves manipulating the argument FileName to execute arbitrary commands.

  • Who is affected by CVE-2025-4851?

    Users of the TOTOLINK N300RH router are affected by CVE-2025-4851.

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