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CVE-2021-34830

Quick assessment

Affected
D-Link DAP-1330
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-1330是中国台湾友讯（D-Link）公司的网络设备一个WIFI设备。 D-Link DAP-1330 1.13B01 BETA 存在安全漏洞，该漏洞源于在将用户提供的数据复制到基于堆栈的固定长度缓冲区之前缺乏对用户提供的数据长度的正确验证。攻击者可以利用此漏洞在设备环境中执行代码。

AI Predicted 9.8 Difficulty: Easy EPSS 2.33% · P82

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-34830

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-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the Cookie HTTP header. The issue results from the lack of proper validation of 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 the device. Was ZDI-CAN-12028.
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-1330 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DAP-1330是中国台湾友讯（D-Link）公司的网络设备一个WIFI设备。 D-Link DAP-1330 1.13B01 BETA 存在安全漏洞，该漏洞源于在将用户提供的数据复制到基于堆栈的固定长度缓冲区之前缺乏对用户提供的数据长度的正确验证。攻击者可以利用此漏洞在设备环境中执行代码。
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-1330 1.13B01 BETA -

II. Public POCs for CVE-2021-34830

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III. Intelligence Information for CVE-2021-34830

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Vendor Advisories for CVE-2021-34830 (1)

Same Patch Batch · D-Link · 2021-07-15 · 4 CVEs total

CVE-2021-34829 D-Link DAP-1330 缓冲区错误漏洞
CVE-2021-34828 D-Link DAP-1330 安全漏洞
CVE-2021-34827 D-Link DAP-1330 安全漏洞

IV. Related Vulnerabilities

Same product: DAP-1330
Same vendor: D-Link
Same weakness: CWE-121

V. Comments for CVE-2021-34830

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