CVE-2023-32150CWE-78

D-Link DIR-2640 PrefixLen Command Injection Remote Code Execution Vulnerability

Medium · published May 3, 2024

CVSS v3.0
6.8
EPSS
27%
Percentile
98.0
In the wild
Unconfirmed
What it is

D-Link DIR-2640 PrefixLen Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-2640 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the handling of the PrefixLen parameter provided to the HNAP1 endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

. Was ZDI-CAN-19547.

The record
Technical detail
CVSS v3.0
6.8 · MEDIUM
Vector
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.26892 · 98.0th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2024-05-03T01:56Z
EPSS history
Timeline
  • 03 MAY 01:56Z
    D-Link DIR-2640 PrefixLen Command Injection Remote Code Execution Vulnerability
    cvelistv5