D-Link DIR-2640 HNAP PrivateLogin Authentication Bypass Vulnerability
CVE-2023-32148

6.5MEDIUM

Key Information:

Vendor

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

What is CVE-2023-32148?

A significant vulnerability exists in the D-Link DIR-2640 routers, allowing network-adjacent attackers to bypass authentication mechanisms due to flaws in the web management interface. By sending a specially crafted XML element during the login request, an attacker can gain access without the need for valid credentials. This situation poses a risk as it enables unauthorized users to exploit the device's administrative capabilities without hindrance. The vulnerability propagates through the default TCP port 80, making affected routers particularly susceptible if not properly secured.

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Affected Version(s)

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

References

https://www.zerodayinitiative.com/advisories/ZDI-23-540/
x_research-advisory
https://supportannouncement.us.dlink.com/announcement/pub...
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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