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Fencer Vulns
medium 6.5

CVE-2024-57725 json

An issue in the Arcadyan Livebox Fibra PRV3399B_B_LT allows a remote or local attacker to modify the GPON link value without authentication…

published 2025-02-14 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-53723

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
6.2%
EPSS 6.2% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

An issue in the Arcadyan Livebox Fibra PRV3399B_B_LT allows a remote or local attacker to modify the GPON link value without authentication, causing an internet service disruption via the /firstconnection.cgi endpoint.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

6.21% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.