CVE-2021-27249

CVSS 8.8 HIGHEPSS 5.1%CWE-78

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 5.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

14 Apr 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

This vulnerability allows network-adjacent attackers to execute arbitrary code 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. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11369.

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

D-Link · DAP-2020

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References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 https://www.zerodayinitiative.com/advisories/ZDI-21-204/