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CVE-2018-20377

9.8 · CRITICAL

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 passw…

Published Dec 23, 2018EPSS 7.72%

Overview

CVE-2018-20377 is a critical-severity vulnerability. It was published on December 23, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbadpackets.net/over-19000-orange-livebox-adsl-modems-are-leaking-their-wifi-credentials/GitHubgithub.com/zadewg/LIVEBOX-0DAYRefnews.ycombinator.com/item?id=18745533Refweb.archive.org/web/20181223120225/https://badpackets.net/over-19000-orange-livebox-adsl-modems-are-leaking-their-wifi-credentials/Refbadpackets.net/over-19000-orange-livebox-adsl-modems-are-leaking-their-wifi-credentials/GitHubgithub.com/zadewg/LIVEBOX-0DAYRefnews.ycombinator.com/item?id=18745533Refweb.archive.org/web/20181223120225/https://badpackets.net/over-19000-orange-livebox-adsl-modems-are-leaking-their-wifi-credentials/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-20377?

CVE-2018-20377 is a critical-severity vulnerability. It was published on December 23, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2018-20377?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-20377?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-20377?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-20377 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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