What is the CVSS score of CVE-2019-7642?

CVE-2019-7642 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 2.6%.

Is there a public PoC exploit available for CVE-2019-7642?

Yes, a public proof-of-concept exploit is available for CVE-2019-7642. Prioritise patching immediately. EPSS: 2.6%.

Dir 817Lw Firmware CVE-2019-7642

HIGH

Missing Authentication for Critical Function (CWE-306)

2019-03-25 cve@mitre.org

Authentication Bypass D-Link Dir 817Lw Firmware Dir 816L Firmware Dir 816 Firmware Dir 850L Firmware Dir 868l Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Mar 25, 2019 - 22:29 nvd

HIGH 7.5

DescriptionNVD

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).

AnalysisAI

D-Link routers with the mydlink feature have some web interfaces without authentication requirements. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. 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). Affected products include: Dlink Dir-817Lw Firmware, Dlink Dir-816L Firmware, Dlink Dir-816 Firmware, Dlink Dir-850L Firmware, Dlink Dir-868L Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.