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Fencer Vulns
critical 9.8

CVE-2018-20377 json

Orange Livebox 00.96.320S devices allow remote attackers to discover Wi-Fi credentials via /get_getnetworkconf.cgi on port 8080, leading to…

published 2018-12-23 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12935

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.7%
EPSS 7.7% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Orange Livebox 00.96.320S devices allow remote attackers to discover Wi-Fi credentials via /get_getnetworkconf.cgi on port 8080, leading to full control if the admin password equals the Wi-Fi password or has the default admin value. This is related to Firmware 01.11.2017-11:43:44, Boot v0.70.03, Modem 5.4.1.10.1.1A, Hardware 02, and Arcadyan ARV7519RW22-A-L T VR9 1.2.

Exploit prediction

7.72% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • web.archive.org https://web.archive.org/web/20181223120225/https://badpackets.net/over-19000-orange-livebox-adsl-modems-are-leaking-their-wifi-credentials/ referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/zadewg/LIVEBOX-0DAY referenced PoC, tagged "exploit" by a source, unverified
  • badpackets.net https://badpackets.net/over-19000-orange-livebox-adsl-modems-are-leaking-their-wifi-credentials/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.