What’s Vulnerable › Vulnerabilities

CVE-2021-33259

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-31 · updated 2026-07-09
• Weakness: CWE-306

Description

Several web interfaces in D-Link DIR-868LW 1.12b have no authentication requirements for access, allowing for attackers to obtain users' DNS query history.

Affected products

• D-Link Dir-868Lw Firmware: 1.12b

References

• https://github.com/jayus0821/uai-poc/blob/main/D-Link/DIR-868L/webaccess_UAI.md
• https://www.dlink.com/en/security-bulletin/
• https://github.com/jayus0821/uai-poc/blob/main/D-Link/DIR-868L/webaccess_UAI.md
• https://www.dlink.com/en/security-bulletin/

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