Is CVE-2018-20577 actively exploited?

No active exploitation of CVE-2018-20577 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-20577 be exploited remotely?

Yes. CVE-2018-20577 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-20577?

CVE-2018-20577 has a CVSS score of 9.1 (CRITICAL).

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CRITICAL

CVE-2018-20577

CWE-352Published: December 28, 2018· Updated: Jun 17, 2026

9.1

CVSS v3.1

Official Description

Orange Livebox 00.96.320S devices allow cgi-bin/restore.exe, cgi-bin/firewall_SPI.exe, cgi-bin/setup_remote_mgmt.exe, cgi-bin/setup_pass.exe, and cgi-bin/upgradep.exe CSRF. 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.

NVD Source

Technical Analysis

CVE-2018-20577 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.1.