PT-2021-11914 · Asus · Asus Rt-Ax86

Published 2021-02-01 · Updated 2023-01-22 · CVE-2020-36109

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-AX86U router firmware versions prior to 9.0.0.4 386

Description: The issue is related to a buffer overflow in the blocking request.cgi function of the httpd module. This can cause code execution when an attacker constructs malicious data.

Recommendations: For versions prior to 9.0.0.4 386, update to version 9.0.0.4 386 or later to resolve the issue. As a temporary workaround, consider restricting access to the httpd module or the blocking request.cgi function until a patch is applied.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-36109

Affected Products

Asus Rt-Ax86

References · 10

• 🔥 https://github.com/sunn1day/CVE-2020-36109-POC · Exploit
• 🔥 https://github.com/tin-z/CVE-2020-36109-POC · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-36109 · Security Note
• https://osv.dev/vulnerability/CVE-2020-36109 · Vendor Advisory
• https://asus.com/Static_WebPage/ASUS-Product-Security-Advisory · Vendor Advisory
• https://t.me/defcon_news/109245 · Telegram Post
• https://t.me/cibsecurity/22882 · Telegram Post
• https://t.me/rnetsec/18090 · Telegram Post
• https://t.me/canyoupwnme/6851 · Telegram Post
• https://t.me/secharvester/13381 · Telegram Post