CVEvulnerability
CVE-2021-47726
8.7 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2025-12-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-522
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.
Related
Weakness · CWE (1)
- CWE-522 Insufficiently Protected Credentials weakness
References
- https://www.exploit-db.com/exploits/49634 www.exploit-db.com
- https://www.nucom.es www.nucom.es
- https://www.vulncheck.com/advisories/nucom-n-wireless-router-privilege-escalation-via-configuration-backup www.vulncheck.com
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5629.php www.zeroscience.mk