PT-2018-3887 · D Link · Dir-620

Denis Makrushin · Published 2018-05-23 · Updated 2023-04-26 · CVE-2018-6213

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DIR-620 devices with customized firmware versions 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22

Description The issue is related to a hardcoded password for the admin account, specifically set to anonymous. This could allow a remote attacker to gain unauthorized access and elevate their privileges, potentially accessing protected information.

Recommendations For firmware versions 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22, consider changing the admin account password to a secure one as a temporary workaround. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

BDU:2023-02870

CVE-2018-6213

Affected Products

Dir-620

References · 8

• 🔥 https://securelist.com/backdoors-in-d-links-backyard/85530 · Exploit
• https://bdu.fstec.ru/vul/2023-02870 · Security Note
• https://osv.dev/vulnerability/CVE-2018-6213 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-6213 · Security Note
• https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html · Note
• https://bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers · Note
• http://securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities · Note
• https://xakep.ru/2018/05/25/d-link-dir-620-backdoor · Note