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CVE

CWE

Training

CVE-2021-47726

Published: Dec 31, 2025

Modified: Jan 2, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

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.

Vendor	Product	Versions
Nucom	NuCom 11N Wireless Router	affected `5.07.90`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

ExploitDB-49634

exploit

NuCom Vendor Homepage

product

Zero Science Lab Disclosure (ZSL-2021-5629)

third-party-advisory

VulnCheck Advisory: NuCom 11N Wireless Router 5.07.90 Privilege Escalation via Configuration Backup

third-party-advisory

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