PT-2021-4603 · D Link · D-Link Dir-868L

Published 2021-10-31 · Updated 2024-02-14 · CVE-2021-33259

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions D-Link DIR-868LW version 1.12b

Description The issue is related to weaknesses in the authentication procedure of the D-Link DIR-868LW router's web interface. This allows a remote attacker to obtain users' DNS query history due to the lack of authentication requirements for access to several web interfaces.

Recommendations For D-Link DIR-868LW version 1.12b, consider restricting access to the web interface until a patch is available. As a temporary workaround, limit the exposure of the device to the internet to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Authentication

Missing Authentication

Weakness Enumeration

CWE-287

CWE-306

Related Identifiers

BDU:2021-05286

CVE-2021-33259

Affected Products

D-Link Dir-868L

References · 10

• 🔥❌ https://github.com/jayus0821/uai-poc/blob/main/D-Link/DIR-868L/webaccess_UAI.md · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2021-33259 · Security Note
• https://bdu.fstec.ru/vul/2021-05286 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33259 · Vendor Advisory
• https://t.me/cvenotify/22744 · Telegram Post
• https://vuldb.com/?id.185814 · Note
• https://t.me/cibsecurity/31516 · Telegram Post
• https://dlink.com/en/security-bulletin · Note
• http://d-link.com · Note
• http://dir-868lw.com · Note