Vulnerability Monitor

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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.


Published

2020-03-23T21:15:12.457

Last Modified

2024-11-21T05:39:35.717

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

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

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

6.5

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-697
  • Type: Primary
    CWE-697

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System dlink dir-878_firmware ≤ 1.20b03 Yes
Hardware dlink dir-878 - No
Operating System dlink dir-882_firmware ≤ 1.10b04 Yes
Hardware dlink dir-882 - No
Operating System dlink dir-867_firmware ≤ 1.10b04 Yes
Hardware dlink dir-867 - No

References