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Vulnerability record · CVE-2019-20082 · published 28 December 2021

CVE-2019-20082: Asus rt-n53 firmware classic buffer overflow vulnerability

Asus · Rt N53 Firmware

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.

9.8 CVSS 3.1 Critical EPSS 2.0% · top 19.7% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score, v2 7.5
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-20082 ExploitThird Party Advisory
https://www.asus.com Vendor Advisory
https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-20082 ExploitThird Party Advisory
https://www.asus.com Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-20082), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.