CVEvulnerability
CVE-2021-27250
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-04-14
- 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-73
Description
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. When parsing the errorpage request parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-11856.
Affected configurations
• dlink dap-2020 firmware 1.01
Related
Weakness · CWE (1)
- CWE-73 External Control of File Name or Path weakness
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-205/ Third Party Advisory, VDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-205/ Third Party Advisory, VDB Entry