CVE-2021-34860

MEDIUM

D-Link DAP-2020 Firmware < 1.01 - Unauthenticated Path Traversal via getpage Parameter

Title source: llm
STIX 2.1

Description

This vulnerability allows network-adjacent attackers to disclose sensitive information 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 getpage parameter provided to the webproc endpoint. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of root. Was ZDI-CAN-12103.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-976/

Scores

CVSS v3 6.5
EPSS 0.1322
EPSS Percentile 94.2%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-22
Status published
Products (1)
dlink/dap-2020_firmware < 1.01
Published Oct 25, 2021
Tracked Since Feb 18, 2026