What is CVE-2020-8861?

CVE-2020-8861 is a high-severity vulnerability in D-Link Dap-1330, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 8.8/10. Published 2020-02-22.

How severe is CVE-2020-8861?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2020-8861 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in D-Link Dap-1330

CVE-2020-8861

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.

EPSS: 0.065 (93.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

D-link Dap-1330 — versions 1.10B01 BETA
Dlink Dap-1330
Dlink Dap-1330_firmware — versions 1.10b01

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-8861?: CVE-2020-8861 is a high-severity vulnerability in D-Link Dap-1330, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 8.8/10. Published 2020-02-22.
How severe is CVE-2020-8861?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-8861 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.