How severe is CVE-2019-7642?

CVE-2019-7642 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-7642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-7642?

CVE-2019-7642 primarily affects Dlink Dir-817lw Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-7642?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-7642 published?

CVE-2019-7642 was published on 2019-03-25 and last updated on 2026-06-17.

CVE-2019-7642

CVE-2019-7642 is a high-severity vulnerability in Dlink Dir-817lw Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Dlink Dir-817lw Firmware
Published: 2019-03-25
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2019-7642?: 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).
How severe is CVE-2019-7642?: CVE-2019-7642 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-7642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-7642?: CVE-2019-7642 primarily affects Dlink Dir-817lw Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-7642?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-7642 published?: CVE-2019-7642 was published on 2019-03-25 and last updated on 2026-06-17.

References

https://github.com/xw77cve/CVE-2019-7642/blob/master/README.md

Affected products (5)

cpe:2.3:o:dlink:dir-817lw_firmware:1.04:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-816l_firmware:2.06:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-816_firmware:2.06:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-850l_firmware:1.09:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-868l_firmware:1.10:*:*:*:*:*:*:*

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