ZDI-CAN-19546: ZDI-23-541: D-Link DIR-2640 prog.cgi Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability
Published May 4, 2023
·Updated
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-2640 routers. Authentication is not required to exploit this vulnerability.
Affected Software
1 affected component
D-Link DIR-2640
Event History
May 4, 2023
Advisory Published
05:00 AM
Data Sourced
05:00 AM
Description
Feb 21, 2025
Advisory Published
via ZDI·07:27 PM
Frequently Asked Questions
1
What is the severity of ZDI-CAN-19546?
ZDI-CAN-19546 has a high severity rating due to its ability to allow arbitrary code execution without authentication.
2
How do I fix ZDI-CAN-19546?
To fix ZDI-CAN-19546, update your D-Link DIR-2640 router firmware to the latest version provided by D-Link.
3
Who is affected by ZDI-CAN-19546?
ZDI-CAN-19546 affects users of D-Link DIR-2640 routers, specifically those with vulnerable firmware versions.
4
What is the attack vector for ZDI-CAN-19546?
The attack vector for ZDI-CAN-19546 is network-adjacent attackers who can exploit the vulnerability without needing any authentication.
5
Is authentication required to exploit ZDI-CAN-19546?
No, authentication is not required to exploit the ZDI-CAN-19546 vulnerability.