Is CVE-2018-19990 actively exploited?

No active exploitation of CVE-2018-19990 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-19990 be exploited remotely?

Yes. CVE-2018-19990 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-19990?

CVE-2018-19990 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2018-19990

CRITICAL

CVE-2018-19990

CWE-78Published: May 13, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In the /HNAP1/SetWiFiVerifyAlpha message, the WPSPIN parameter is vulnerable, and the vulnerability affects D-Link DIR-822 B1 202KRb06 devices. In the SetWiFiVerifyAlpha.php source code, the WPSPIN parameter is saved in the $rphyinf1."/media/wps/enrollee/pin" and $rphyinf2."/media/wps/enrollee/pin" and $rphyinf3."/media/wps/enrollee/pin" internal configuration memory without any regex checking. And in the do_wps function of the wps.php source code, the data in $rphyinf3."/media/wps/enrollee/pin" is used with the wpatalk command without any regex checking. A vulnerable /HNAP1/SetWiFiVerifyAlpha XML message could have shell metacharacters in the WPSPIN element such as the `telnetd` string.

NVD Source

Technical Analysis

CVE-2018-19990 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 complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.