CVE-2022-40718: D-Link DIR-2150 anweb websocket_data_handler Stack-based Buffer Overflow Remote Code Execution Vulnerability
First published: Thu Jan 26 2023(Updated: )
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected D-Link DIR-2150 4.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the anweb service, which listens on TCP ports 80 and 443 by default. 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-15728.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dlink Dir-2150 Firmware | <=4.0.1 | |
| Dlink Dir-2150 | ||
| D-Link DIR-2150 |
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Reference Links
Frequently Asked Questions
What is CVE-2022-40718?
CVE-2022-40718 is a vulnerability that allows remote code execution on D-Link DIR-2150 4.0.1 routers.
How severe is CVE-2022-40718?
CVE-2022-40718 has a severity rating of 8.8 (high).
Can CVE-2022-40718 be exploited without authentication?
Yes, authentication is not required to exploit CVE-2022-40718.
What is the affected software of CVE-2022-40718?
The affected software is D-Link DIR-2150 4.0.1 routers.
How can I fix CVE-2022-40718?
To fix CVE-2022-40718, it is recommended to apply the relevant security updates provided by D-Link.
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