PT-2021-9026 · Asus · Asus Rt-N53

Pr0V3Rbs · Published 2021-12-28 · Updated 2022-01-07 · CVE-2019-20082

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions ASUS RT-N53 version 3.0.0.4.376.3754

Description The issue is a buffer overflow that can be triggered by a long lan dns1 x or lan dns2 x parameter to the "Advanced LAN Content.asp" endpoint.

Recommendations For ASUS RT-N53 version 3.0.0.4.376.3754, as a temporary workaround, consider restricting access to the "Advanced LAN Content.asp" endpoint to minimize the risk of exploitation. Avoid using the lan dns1 x and lan dns2 x parameters in this endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2019-20082

Affected Products

Asus Rt-N53

References · 5

• 🔥 https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-20082 · Exploit
• https://asus.com · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-20082 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20082 · Security Note
• https://t.me/cibsecurity/34708 · Telegram Post