CWE
120 119
Advisory Published
Updated

CVE-2025-4834: TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSetLg buffer overflow

First published: Sat May 17 2025(Updated: )

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been classified as critical. Affected is an unknown function of the file /boafrm/formSetLg of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Credit: cna@vuldb.com

Affected SoftwareAffected VersionHow to fix
Totolink A702r Firmware
Totolink A3002r Firmware
TOTOLINK A3002R

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Frequently Asked Questions

  • What is the severity of CVE-2025-4834?

    CVE-2025-4834 is classified as a critical vulnerability.

  • Which devices are affected by CVE-2025-4834?

    CVE-2025-4834 affects the TOTOLINK A702R, A3002R, and A3002RU routers.

  • How do I fix CVE-2025-4834?

    To fix CVE-2025-4834, update the firmware of the affected TOTOLINK devices to the latest version.

  • What does CVE-2025-4834 exploit?

    CVE-2025-4834 exploits an issue in the HTTP POST Request Handler component of the affected devices.

  • What is the potential impact of CVE-2025-4834?

    The exploitation of CVE-2025-4834 can lead to a buffer overflow, compromising the affected device.

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