CVE-2019-20082: asus rt-n53_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2019-20082 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in asus rt-n53_firmware. EPSS estimates a 2.04% chance of exploitation in the next 30 days, higher than 80.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 28-12-2021
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.