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CVE-2021-27248

Quick assessment

Affected
D-Link DAP-2020
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

D-Link DAP-2020是中国友讯（D-Link）公司的一个WIFI接入点。 D-Link DAP-2020 v1.01rc001 Wi-Fi 存在安全漏洞，攻击者可利用该漏洞执行任意代码。

AI Predicted 10.0 Difficulty: Easy EPSS 2.60% · P84
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I. Basic Information for CVE-2021-27248

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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. When parsing the getpage parameter, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-10932.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DAP-2020 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DAP-2020是中国友讯（D-Link）公司的一个WIFI接入点。 D-Link DAP-2020 v1.01rc001 Wi-Fi 存在安全漏洞，攻击者可利用该漏洞执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DAP-2020 v1.01rc001 -

II. Public POCs for CVE-2021-27248

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III. Intelligence Information for CVE-2021-27248

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Other References for CVE-2021-27248 (1)

Same Patch Batch · D-Link · 2021-04-14 · 3 CVEs total

CVE-2021-27250 D-Link DAP-2020 安全漏洞
CVE-2021-27249 D-Link DAP-2020 操作系统命令注入漏洞

IV. Related Vulnerabilities

Same product: DAP-2020
Same vendor: D-Link
Same weakness: CWE-121

V. Comments for CVE-2021-27248

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