First published: Mon Oct 25 2021(Updated: )
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:menu parameter provided to the webproc endpoint. 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-13270.
Credit: zdi-disclosures@trendmicro.com
Affected Software | Affected Version | How to fix |
---|---|---|
D-Link DAP-2020 | <=1.01 | |
D-Link DAP-2020 | ||
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CVE-2021-34862 is a vulnerability that allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers.
CVE-2021-34862 has a severity score of 8.8 (high).
The affected software is D-Link DAP-2020 1.01rc001 routers.
No, authentication is not required to exploit this vulnerability.
Apply the security patch provided by D-Link for the DAP-2020 1.01rc001 routers.