D-Link DIR-2640 PrefixLen Command Injection Remote Code Execution Vulnerability
CVE-2023-32150

6.8MEDIUM

Key Information:

Vendor
D-link
Status
Dir-2640
Vendor
CVE Published:
3 May 2024

Summary

A vulnerability exists in the D-Link DIR-2640 routers that allows network-adjacent attackers to execute arbitrary code. This situation arises from improper validation of the PrefixLen parameter in the HNAP1 endpoint, which is susceptible to command injection. Although authentication is required for exploitation, it can be bypassed, enabling an attacker to run commands with root privileges. Proactive measures should be taken to mitigate potential threats related to this flaw.

Affected Version(s)

DIR-2640 1.11B02 (non-US, CA version)

References

https://www.zerodayinitiative.com/advisories/ZDI-23-542/
x_research-advisory
https://supportannouncement.us.dlink.com/announcement/pub...
vendor-advisory

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.