CVE Catalog

CVE-2026-7748

High
Published: Translated: NVD NIST

Summary

A weakness has been identified in Totolink N300RH version 3.2.4-B20220812, concerning the setUpgradeFW function in the /cgi-bin/cstecgi.cgi file. Manipulating the FileName argument can lead to buffer overflow, allowing for remote attacks.

Risk Assessment

An attacker could exploit this vulnerability for remote buffer overflow, potentially leading to unauthorized access or execution of malicious code.

Recommendation

It is recommended to update the device to the latest firmware version to mitigate this vulnerability and to monitor the system for unauthorized activities.

Related vulnerabilities

Original NVD description (English source)

A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument FileName can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS