CVE-2021-27250

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 71.80% Top 5%
Vendor Advisory dlink.com
Affected: D-Link DAP-2020
Published at:
Updated at:

References

Link Tags
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

Frequently Asked Questions

What is the severity of CVE-2021-27250?
CVE-2021-27250 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27250?
To fix CVE-2021-27250, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27250 being actively exploited in the wild?
It is possible that CVE-2021-27250 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~72% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27250?
CVE-2021-27250 affects D-Link DAP-2020.
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