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CVE-2025-53755— Cleartext Storage Vulnerability in Digisol DG-GR6821AC Router

Quick assessment

Affected
Digisol XPON ONU Wi-Fi Router (DG-GR6821AC)
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.

Digisol DG-GR6821AC Router是印度Digisol公司的一款WiFi路由器。 Digisol DG-GR6821AC Router存在安全漏洞，该漏洞源于固件中存储未加密凭据和PIN，可能导致物理访问攻击者获取未授权网络访问。

AI Predicted 6.6 Difficulty: Moderate EPSS 0.09% · P1
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I. Basic Information for CVE-2025-53755

Vulnerability Information
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Vulnerability Title
Cleartext Storage Vulnerability in Digisol DG-GR6821AC Router
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability exists in Digisol DG-GR6821AC Router due to storage of credentials and PINS without encryption in the device firmware. An attacker with physical access could exploit this vulnerability by extracting the firmware and reverse engineer the binary data to access the unencrypted data stored in the firmware of targeted device. Successful exploitation of this vulnerability could allow the attacker to gain unauthorized access to the network of the targeted device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
Vulnerability Title
Digisol DG-GR6821AC Router 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Digisol DG-GR6821AC Router是印度Digisol公司的一款WiFi路由器。 Digisol DG-GR6821AC Router存在安全漏洞，该漏洞源于固件中存储未加密凭据和PIN，可能导致物理访问攻击者获取未授权网络访问。
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
Digisol XPON ONU Wi-Fi Router (DG-GR6821AC) V3.2.XX -

II. Public POCs for CVE-2025-53755

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III. Intelligence Information for CVE-2025-53755

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Vendor Advisories for CVE-2025-53755 (1)

Same Patch Batch · Digisol · 2025-07-16 · 5 CVEs total

CVE-2025-53756 Cleartext Transmission Vulnerability in Digisol DG-GR6821AC Router
CVE-2025-53754 Hard-coded Credentials Vulnerability in Digisol DG-GR6821AC Router
CVE-2025-53758 Default Credential Vulnerability in Digisol DG-GR6821AC Router
CVE-2025-53757 Insecure Cookie Flags Vulnerability in Digisol DG-GR6821AC Router

IV. Related Vulnerabilities

Same product: XPON ONU Wi-Fi Router (DG-GR6821AC)
Same vendor: Digisol
Same weakness: CWE-312

V. Comments for CVE-2025-53755

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