CVE-2018-20377
CVE-2018-20377 is a critical-severity vulnerability in Orange Arv7519rw22 Livebox 2.1 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 8% (94th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Orange Arv7519rw22 Livebox 2.1 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2018-20377?
- CVE-2018-20377 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-20377 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20377?
- CVE-2018-20377 primarily affects Orange Arv7519rw22 Livebox 2.1 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-20377?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-20377 published?
- CVE-2018-20377 was published on 2018-12-23 and last updated on 2026-06-17.
References
- https://badpackets.net/over-19000-orange-livebox-adsl-modems-are-leaking-their-wifi-credentials/
- https://github.com/zadewg/LIVEBOX-0DAY
- https://news.ycombinator.com/item?id=18745533
- https://web.archive.org/web/20181223120225/https://badpackets.net/over-19000-orange-livebox-adsl-modems-are-leaking-their-wifi-credentials/
Affected products (4)
- cpe:2.3:o:orange:arv7519rw22_livebox_2.1_firmware:00.96.00.96.609es:*:*:*:*:*:*:*
- cpe:2.3:o:orange:arv7519rw22_livebox_2.1_firmware:00.96.00.96.613:*:*:*:*:*:*:*
- cpe:2.3:o:orange:arv7519rw22_livebox_2.1_firmware:00.96.217:*:*:*:*:*:*:*
- cpe:2.3:o:orange:arv7519rw22_livebox_2.1_firmware:00.96.321s:*:*:*:*:*:*:*
More vulnerabilities in Orange Arv7519rw22 Livebox 2.1 Firmware
- CVE-2018-20577 — Critical (CVSS 9.1): Orange Livebox 00.96.320S devices allow cgi-bin/restore.exe, cgi-bin/firewall_SPI.exe, cgi-bin/setup_remote_mgmt.exe,…
- CVE-2018-20575 — High (CVSS 7.5): Orange Livebox 00.96.320S devices have an undocumented /system_firmwarel.stm URI for manual firmware update. This is…
- CVE-2018-20576 — Medium (CVSS 5.4): Orange Livebox 00.96.320S devices allow cgi-bin/autodialing.exe and cgi-bin/phone_test.exe CSRF, leading to arbitrary…
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