CVE-2022-43627: D-Link DIR-1935 SetStaticRouteIPv4Settings StaticRouteIPv4Data Command Injection Remote Code Execution Vulnerability
First published: Wed Mar 29 2023(Updated: )
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of SetStaticRouteIPv4Settings requests to the web management portal. When parsing subelements within the StaticRouteIPv4Data element, the process does not properly validate 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. Was ZDI-CAN-16147.
Credit: zdi-disclosures@trendmicro.com zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| D-Link DIR-1935 | ||
| D-link Dir-1935 Firmware | <=1.02 | |
| D-link Dir-1935 Firmware | =1.03-b1 | |
| D-link Dir-1935 Firmware | =1.03-b2 | |
| D-Link DIR-1935 | ||
| Dlink Dir-1935 Firmware | <=1.02 | |
| Dlink Dir-1935 Firmware | =1.03-b1 | |
| Dlink Dir-1935 Firmware | =1.03-b2 | |
| Dlink Dir-1935 |
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Reference Links
Frequently Asked Questions
What is CVE-2022-43627?
CVE-2022-43627 is a vulnerability that allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers.
How severe is CVE-2022-43627?
CVE-2022-43627 has a severity rating of medium (6.8) based on the Common Vulnerability Scoring System (CVSS) v3.1.
What is the affected software?
The affected software is D-Link DIR-1935 with firmware versions up to and including 1.03-b2.
How can this vulnerability be exploited?
This vulnerability can be exploited by network-adjacent attackers who can bypass the existing authentication mechanism and execute arbitrary code.
Is there a fix available for CVE-2022-43627?
Yes, D-Link has released a firmware update (version 1.03-b2) that addresses the CVE-2022-43627 vulnerability.
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