High severity7.5NVD Advisory· Published Dec 31, 2025· Updated Apr 15, 2026

CVE-2021-47726

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.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.exploit-db.com/exploits/49634nvd
www.nucom.esnvd
www.vulncheck.com/advisories/nucom-n-wireless-router-privilege-escalation-via-configuration-backupnvd
www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5629.phpnvd

News mentions

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