What is the severity of ZDI-22-1493?

The severity of ZDI-22-1493 is critical due to the potential for remote code execution by network-adjacent attackers.

How do I fix ZDI-22-1493?

To fix ZDI-22-1493, it is recommended to update the D-Link DIR-1935 router firmware to the latest version provided by D-Link.

What types of attacks can ZDI-22-1493 facilitate?

ZDI-22-1493 can facilitate arbitrary code execution attacks on affected D-Link DIR-1935 routers.

Who is affected by ZDI-22-1493?

Users of D-Link DIR-1935 routers are affected by ZDI-22-1493 due to a vulnerability that allows exploitation with bypassed authentication.

Is authentication necessary to exploit ZDI-22-1493?

Yes, authentication is necessary to exploit ZDI-22-1493, but it can be bypassed by attackers.

Vulnerability/
ZDI-22-1493

medium

6.8

26/3/2025

ZDI-22-1493: D-Link DIR-1935 ConfigFileUpload Format String Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of ConfigFileUpload requests to the web management portal. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this vulnerability to execute code in the context of root.

Affected Software	Affected Version	How to fix
D-Link DIR-1935 Firmware

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-22-1493?
The severity of ZDI-22-1493 is critical due to the potential for remote code execution by network-adjacent attackers.
How do I fix ZDI-22-1493?
To fix ZDI-22-1493, it is recommended to update the D-Link DIR-1935 router firmware to the latest version provided by D-Link.
What types of attacks can ZDI-22-1493 facilitate?
ZDI-22-1493 can facilitate arbitrary code execution attacks on affected D-Link DIR-1935 routers.
Who is affected by ZDI-22-1493?
Users of D-Link DIR-1935 routers are affected by ZDI-22-1493 due to a vulnerability that allows exploitation with bypassed authentication.
Is authentication necessary to exploit ZDI-22-1493?
Yes, authentication is necessary to exploit ZDI-22-1493, but it can be bypassed by attackers.

agent/references
agent/type
agent/softwarecombine
agent/severity
agent/title
agent/description
agent/source
agent/tags
collector/zdi-advisory
source/ZDI
alias/ZDI-22-1493
alias/ZDI-CAN-16141
alias/CVE-2022-43619
agent/software-canonical-lookup
agent/software-canonical-lookup-request
agent/event
vendor/d-link
canonical/d-link dir-1935 firmware

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