PT-2025-6755 · Arcadyan · Arcadyan Livebox Fibra Prv3399B B Lt

Published 2025-02-14 · Updated 2025-02-14 · CVE-2024-57725

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Arcadyan Livebox Fibra PRV3399B B LT (affected versions not specified)

Description The issue allows a remote or local attacker to modify the GPON link value without authentication, causing an internet service disruption via the "/firstconnection.cgi" endpoint. This can lead to a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the "/firstconnection.cgi" endpoint to minimize the risk of exploitation. Avoid using the endpoint without proper authentication until the issue is resolved.

Exploit

DoS

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2024-57725

Affected Products

Arcadyan Livebox Fibra Prv3399B B Lt

References · 4

• 🔥 https://github.com/pointedsec/CVE-2024-57725 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-57725 · Security Note
• https://twitter.com/CVEnew/status/1890426118823358516 · Twitter Post
• https://twitter.com/WolfgangSesin/status/1890457332976373785 · Twitter Post