PT-2021-14794 · D Link · D-Link Dir-3040

Dave Mcdaniel · Published 2021-07-16 · Updated 2022-07-29 · CVE-2021-21818

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions D-LINK DIR-3040 version 1.13B03

Description A hard-coded password vulnerability exists in the Zebra IP Routing Manager functionality. This issue can be triggered by a specially crafted network request, potentially leading to a denial of service. An attacker can exploit this by sending a sequence of requests.

Recommendations For D-LINK DIR-3040 version 1.13B03, consider changing the hard-coded password in the Zebra IP Routing Manager functionality to prevent exploitation. As a temporary workaround, restrict access to the Zebra IP Routing Manager to minimize the risk of denial of service attacks.

Exploit

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-259

CWE-798

Related Identifiers

CVE-2021-21818

Affected Products

D-Link Dir-3040

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1283 · Exploit
• https://osv.dev/vulnerability/CVE-2021-21818 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21818 · Security Note
• https://t.me/cibsecurity/26210 · Telegram Post