← Vulnerability feed

Vulnerability record · CVE-2019-7642 · published 25 March 2019

CVE-2019-7642: Dlink dir-817lw firmware missing authentication for critical function vulnerability

Dlink · Dir 817lw Firmware

D-Link routers with the mydlink feature have some web interfaces without authentication requirements. An attacker can remotely obtain users' DNS query logs and login logs. Vulnerable targets include but are not limited to the latest firmware versions of DIR-817LW (A1-1.04), DIR-816L (B1-2.06), DIR-816 (B1-2.06?), DIR-850L (A1-1.09), and DIR-868L (A1-1.10).

7.5 CVSS 3.1 High EPSS 2.6% · top 15.2% CWE-306 · Missing authentication for critical function
7.5CVSS 3.1 base score, v2 5.0
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

D-Link routers with the mydlink feature have some web interfaces without authentication requirements. An attacker can remotely obtain users' DNS query logs and login logs. Vulnerable targets include but are not limited to the latest firmware versions of DIR-817LW (A1-1.04), DIR-816L (B1-2.06), DIR-816 (B1-2.06?), DIR-850L (A1-1.09), and DIR-868L (A1-1.10).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/xw77cve/CVE-2019-7642/blob/master/README.md ExploitThird Party Advisory
https://github.com/xw77cve/CVE-2019-7642/blob/master/README.md ExploitThird Party Advisory

Track CVE-2019-7642 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-17621D-Link DIR-859 UPnP gena.cgi unauthenticated command injectionThe UPnP endpoint /gena.cgi on D-Link DIR-859 firmware 1.05 and 1.06B01 Beta01 fails to sanitize input in an HTTP SUBSCRIBE request, allowing OS comm…KEVEPSS 90%analysed9.8CVE-2018-6530D-Link DIR router soap.cgi OS command injectionsoap.cgi (soapcgi_main in cgibin) on several D-Link DIR router models fails to sanitize the service parameter, allowing OS command injection. The fla…KEVEPSS 97%analysed9.8CVE-2025-55583Dlink dir-868l firmware os command injection vulnerabilityD-Link DIR-868L B1 router firmware version FW2.05WWB02 contains an unauthenticated OS command injection vulnerability in the fileaccess.cgi component…EPSS 7.0%9.8CVE-2025-45931Dlink dir-816 firmware command injection vulnerabilityAn issue D-Link DIR-816-A2 DIR-816A2_FWv1.10CNB05_R1B011D88210 allows a remote attacker to execute arbitrary code via system() function in the bin/go…EPSS 0.96%9.8CVE-2024-57684Dlink dir-816 firmware incorrect default permissions vulnerabilityAn access control issue in the component formDMZ.cgi of D-Link 816A2_FWv1.10CNB05_R1B011D88210 allows unauthenticated attackers to set the DMZ servic…EPSS 14%9.8CVE-2023-24331Dlink dir-816 firmware command injection vulnerabilityCommand Injection vulnerability in D-Link Dir 816 with firmware version DIR-816_A2_v1.10CNB04 allows attackers to run arbitrary commands via the urlA…EPSS 2.1%9.8CVE-2024-24321Dlink dir-816 firmware command injection vulnerabilityAn issue in Dlink DIR-816A2 v.1.10CNB05 allows a remote attacker to execute arbitrary code via the wizardstep4_ssid_2 parameter in the sub_42DA54 fun…EPSS 1.9%9.8CVE-2023-49004Dlink dir-850l firmware code injection vulnerabilityAn issue in D-Link DIR-850L v.B1_FW223WWb01 allows a remote attacker to execute arbitrary code via a crafted script to the en parameter.EPSS 1.9%

Source: NIST National Vulnerability Database (record CVE-2019-7642), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.