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.
Published:Dec 31, 2025
Last Modified:Apr 15, 2026
EPS:Dec 31, 2025
EPSS Score:0.0012
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Nucom
Product
11n Wireless Router
Nucom
11n Wireless Router
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
