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CVE-2021-42783— Missing Authentication in debug_post_set.cgi in D-Link DWR-932C E1 Firmware 1.0.0.4

Quick assessment

Affected
D-Link DWR-932C E1
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 Dwr-932C E1是中国友讯（D-Link）公司的一个 WiFi 移动调制解调器路由器。 D-Link DWR-932C E1固件存在安全漏洞，该漏洞源于post set.cgi中缺少关键功能认证，攻击者可利用该漏洞执行管理操作。

AI Predicted 9.8 Difficulty: Trivial EPSS 3.79% · P89

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-42783

Vulnerability Information
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Vulnerability Title
Missing Authentication in debug_post_set.cgi in D-Link DWR-932C E1 Firmware 1.0.0.4
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authentication for Critical Function vulnerability in debug_post_set.cgi of D-Link DWR-932C E1 firmware allows an unauthenticated attacker to execute administrative actions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link Dwr-932C E1 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link Dwr-932C E1是中国友讯（D-Link）公司的一个 WiFi 移动调制解调器路由器。 D-Link DWR-932C E1固件存在安全漏洞，该漏洞源于post set.cgi中缺少关键功能认证，攻击者可利用该漏洞执行管理操作。
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 DWR-932C E1 1.0.0.4 ~ 1.0.0.4 -

II. Public POCs for CVE-2021-42783

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III. Intelligence Information for CVE-2021-42783

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Other References for CVE-2021-42783 (1)

IV. Related Vulnerabilities

Same product: DWR-932C E1
Same vendor: D-Link
Same weakness: CWE-306

V. Comments for CVE-2021-42783

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