CVE-2018-20432

Name: CVE-2018-20432
Creator: NVD / NIST
Published: 2020-09-14T14:15:10.54+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.93%

Last modified Jun 17, 2026

CVE-2018-20432 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. D-Link COVR-2600R and COVR-3902 Kit before 1.01b05Beta01 use hardcoded credentials for telnet connection, which allows unauthenticated attackers to gain privileged access to the router, and to extract sensitive data or modify the configuration.. EPSS estimates a 3.93% chance of exploitation in the next 30 days.

Description

D-Link COVR-2600R and COVR-3902 Kit before 1.01b05Beta01 use hardcoded credentials for telnet connection, which allows unauthenticated attackers to gain privileged access to the router, and to extract sensitive data or modify the configuration.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.93%

89.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Dlink	Covr-2600r Firmware	<= 1.01b05
Dlink	Covr-3902 Firmware	<= 1.01b05

References

http://packetstormsecurity.com/files/159058/COVR-3902-1.01B0-Hardcoded-Credentials.htmlExploit, Third Party Advisory, VDB Entry
https://cybersecurityworks.com/zerodays/cve-2018-20432-dlink.htmlExploit, Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10109Patch, Vendor Advisory
http://packetstormsecurity.com/files/159058/COVR-3902-1.01B0-Hardcoded-Credentials.htmlExploit, Third Party Advisory, VDB Entry
https://cybersecurityworks.com/zerodays/cve-2018-20432-dlink.htmlExploit, Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10109Patch, Vendor Advisory

Timeline

Published: Sep 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20432?

How severe is CVE-2018-20432?

CVE-2018-20432 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.93% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20432?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20432?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST