What’s Vulnerable › Vulnerabilities

CVE-2020-8861

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-22 · updated 2026-06-17
• Weakness: CWE-303

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DAP-1330 1.10B01 BETA Wi-Fi range extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper handling of cookies. An attacker can leverage this vulnerability to execute arbitrary code on the router. Was ZDI-CAN-9554.

Affected products

• D-Link DAP-1330: before 1.10b01; 1.10b01-beta — fixed in 1.10b01

How to fix

Upgrade to a fixed version: D-Link DAP-1330 1.10b01. Check the vendor advisory for mitigations.

References

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10155
• https://www.zerodayinitiative.com/advisories/ZDI-20-265/
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10155
• https://www.zerodayinitiative.com/advisories/ZDI-20-265/

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