CVE-2021-47726

NuCom 11N Wireless Router 5.07.90 contains a privilege escalation vulnerability that allows non-privileged users to access administrative credentials through the configuration backup endpoint. Attackers can send a crafted HTTP GET request to the backup configuration page with a specific cookie to retrieve and decode the admin password in Base64 format.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/49634
https://www.nucom.es
https://www.vulncheck.com/advisories/nucom-n-wireless-router-privilege-escalation-via-configuration-backup
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5629.php

Configurations

No configuration.

History

31 Dec 2025, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-31 19:15

Updated : 2025-12-31 20:42

NVD link : CVE-2021-47726

Mitre link : CVE-2021-47726

CVE.ORG link : CVE-2021-47726

JSON object : View

Products Affected

No product.

CWE

CWE-522

Insufficiently Protected Credentials

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