Vulnerability in Orange Arv7519rw22 Livebox 2.1

CVE-2018-20377

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.

EPSS: 0.077 (94.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-20377?
CVE-2018-20377 is a critical-severity vulnerability in Orange Arv7519rw22 Livebox 2.1. CVSS score: 9.8/10. Published 2018-12-23.
How severe is CVE-2018-20377?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-20377 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.