CVE-2019-20082

Name: CVE-2019-20082
Creator: NVD / NIST
Published: 2021-12-28T13:15:08.123+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.04%

Last modified Jun 17, 2026

CVE-2019-20082 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. ASUS RT-N53 3.0.0.4.376.3754 devices have a buffer overflow via a long lan_dns1_x or lan_dns2_x parameter to Advanced_LAN_Content.asp.. EPSS estimates a 2.04% chance of exploitation in the next 30 days.

Description

ASUS RT-N53 3.0.0.4.376.3754 devices have a buffer overflow via a long lan_dns1_x or lan_dns2_x parameter to Advanced_LAN_Content.asp.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.04%

78.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Asus	Rt-N53 Firmware	3.0.0.4.376.3754

References

https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-20082Exploit, Third Party Advisory
https://www.asus.comVendor Advisory
https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-20082Exploit, Third Party Advisory
https://www.asus.comVendor Advisory

Timeline

Published: Dec 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20082?

ASUS RT-N53 3.0.0.4.376.3754 devices have a buffer overflow via a long lan_dns1_x or lan_dns2_x parameter to Advanced_LAN_Content.asp.

How severe is CVE-2019-20082?

CVE-2019-20082 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.04% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20082?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20082?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST