What is CVE-2020-8864?

CVE-2020-8864 is a high-severity vulnerability in D-Link Multiple Routers, classified under Incorrect Comparison. CVSS score: 8.8/10. Published 2020-03-23.

How severe is CVE-2020-8864?

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

Is CVE-2020-8864 known to be exploited?

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

Vulnerability in D-Link Multiple Routers

CVE-2020-8864

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. 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 empty passwords. An attacker can leverage this vulnerability to execute arbitrary code on the router. Was ZDI-CAN-9471.

EPSS: 0.802 (99.6th 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 Multiple Routers — versions 1.10B04
Dlink Dir-867
Dlink Dir-867_firmware
Dlink Dir-878
Dlink Dir-878_firmware
Dlink Dir-882
Dlink Dir-882_firmware

Weakness classification (CWE)

CWE-697 — Incorrect Comparison

Public proof-of-concept exploits

alphaSeclab/sec-daily-2020

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-2020-8864?: CVE-2020-8864 is a high-severity vulnerability in D-Link Multiple Routers, classified under Incorrect Comparison. CVSS score: 8.8/10. Published 2020-03-23.
How severe is CVE-2020-8864?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-8864 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.