Vulnerability · Published Apr 14, 2021 · Assigned by zdi

CVE-2021-27249

High 8.8

In plain English

A high-severity OS command injection in DAP-2020 from D-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.1% (higher than 92% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High
Exploit odds (30 days)5.1%top 7.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
D-Link DAP-2020 v1.01rc001

Weakness: CWE-78 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References