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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-522 CWE-522

References

Other References

https://www.exploit-db.com/exploits/49634 https://www.nucom.es https://www.vulncheck.com/advisories/nucom-n-wireless-router-privilege-escalation-via-configuration-backup https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5629.php

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-47726? +

CVE-2021-47726 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2021-47726? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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