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High · 8.8 CVE-2021-34863 EUVD-2021-21510GHSA-8v93-c335-x4h3

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 route…

Published Oct 25, 2021 · Updated Aug 4, 2024 · Assigned by zdi

Description

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:page 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-13271.

Affected products

VendorProductAffectedFixed
D-Link DAP-2020 1.01rc001 —

References