CVEvulnerability
CVE-2021-34860
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-10-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 3.0 ([email protected])
- 6.5 MEDIUM — CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 3.3 LOW — AV:A/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-22
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.
Affected configurations
• dlink dap-2020 firmware (<= 1.01)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-976/ Third Party Advisory, VDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-976/ Third Party Advisory, VDB Entry