Vulnerability in Nucom 11n Wireless Router
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.
EPSS: 0.003 (18.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Nucom 11n Wireless Router — versions 5.07.90
Weakness classification (CWE)
References
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47726?
- CVE-2021-47726 is a high-severity vulnerability in Nucom 11n Wireless Router, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2025-12-31.
- How severe is CVE-2021-47726?
- High severity. CVSS v3 base score is 7.5 out of 10.