CVE-2021-27250 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Dlink	Dap-2020 Firmware	1.01
Dlink	Dap-2020	-

Related Weaknesses (CWE)

CWE-73

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-205/Third Party AdvisoryVDB Entry
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-205/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2021-27250?

CVE-2021-27250 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ex...

How severe is CVE-2021-27250?

CVE-2021-27250 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27250?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dap-2020 Firmware, Dlink Dap-2020.