Is CVE-2018-5371 actively exploited?

No active exploitation of CVE-2018-5371 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-5371 be exploited remotely?

Yes. CVE-2018-5371 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-5371?

CVE-2018-5371 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2018-5371

CWE-78Published: January 12, 2018· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

diag_ping.cmd on D-Link DSL-2640U devices with firmware IM_1.00 and ME_1.00, and DSL-2540U devices with firmware ME_1.00, allows authenticated remote attackers to execute arbitrary OS commands via shell metacharacters in the ipaddr field of an HTTP GET request.

NVD Source

Technical Analysis

CVE-2018-5371 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.