CVE-2023-50209: D-Link G416 cfgsave Stack-Based Buffer Overflow Remote Code Execution Vulnerability

Published May 3, 2024
·
Updated

D-Link G416 cfgsave Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link G416 wireless routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the HTTP service listening on TCP port 80. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21442.

Affected Software

3 affected components
D-Link G416
All of the following
Dlink G416 Firmware<1.09b01
Dlink G416

Event History

May 3, 2024
CVE Published
via MITRE·02:14 AM
Data Sourced
via MITRE·02:14 AM
DescriptionSeverityWeakness
Advisory Published
via ZDI·02:34 AM
Data Sourced
via NVD·03:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2023-50209?

CVE-2023-50209 is classified as a critical vulnerability due to its potential for remote code execution without authentication.

2

How do I fix CVE-2023-50209?

To mitigate CVE-2023-50209, update your D-Link G416 wireless router to the latest firmware provided by D-Link.

3

Who is affected by CVE-2023-50209?

The CVE-2023-50209 vulnerability affects all installations of D-Link G416 wireless routers.

4

What type of vulnerability is CVE-2023-50209?

CVE-2023-50209 is a stack-based buffer overflow vulnerability that allows for remote code execution.

5

Is authentication required to exploit CVE-2023-50209?

No, CVE-2023-50209 can be exploited by network-adjacent attackers without requiring authentication.

Contact

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