Is CVE-2018-4073 actively exploited?

No active exploitation of CVE-2018-4073 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-4073 be exploited remotely?

Yes. CVE-2018-4073 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-4073?

CVE-2018-4073 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2018-4073

CWE-732Published: May 6, 2019· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

An exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The the binary the endpoint /cgi-bin/Embeded_Ace_TLSet_Task.cgi is a very similar endpoint that is designed for use with setting table values that can cause an arbitrary setting writes, resulting in the unverified changes to any system setting. An attacker can make an authenticated HTTP request, or run the binary as any user, to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2018-4073 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.