What is the severity of ZDI-23-1520?

ZDI-23-1520 is a critical severity vulnerability that allows arbitrary code execution.

How do I fix ZDI-23-1520?

To mitigate ZDI-23-1520, ensure you update the D-Link DIR-X3260 to the latest firmware version provided by the vendor.

Who is affected by ZDI-23-1520?

Users of the D-Link DIR-X3260 routers are affected by the ZDI-23-1520 vulnerability.

Can ZDI-23-1520 be exploited remotely?

ZDI-23-1520 requires network adjacency for exploitation, meaning an attacker must be on the same local network.

What types of attacks can ZDI-23-1520 facilitate?

ZDI-23-1520 can facilitate arbitrary code execution attacks if exploited successfully.

Vulnerability/
ZDI-23-1520

high

4/10/2023

3/5/2024

ZDI-23-1520: (0Day) D-Link DIR-X3260 SetSysEmailSettings EmailFrom Command Injection Remote Code Execution Vulnerability

First published: Wed Oct 04 2023(Updated: )

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-X3260 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the prog.cgi program, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. 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.

Affected Software	Affected Version	How to fix
D-Link DIR-X3260

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-23-1520?
ZDI-23-1520 is a critical severity vulnerability that allows arbitrary code execution.
How do I fix ZDI-23-1520?
To mitigate ZDI-23-1520, ensure you update the D-Link DIR-X3260 to the latest firmware version provided by the vendor.
Who is affected by ZDI-23-1520?
Users of the D-Link DIR-X3260 routers are affected by the ZDI-23-1520 vulnerability.
Can ZDI-23-1520 be exploited remotely?
ZDI-23-1520 requires network adjacency for exploitation, meaning an attacker must be on the same local network.
What types of attacks can ZDI-23-1520 facilitate?
ZDI-23-1520 can facilitate arbitrary code execution attacks if exploited successfully.

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alias/ZDI-CAN-21102
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collector/zdi-advisory
source/ZDI
alias/ZDI-23-1520
alias/CVE-2023-44422
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agent/title
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agent/description
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agent/softwarecombine
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vendor/d-link
canonical/d-link dir-x3260

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