Stack-based buffer overflow in Asus products - CVE-2023-28703

Vulnerability identifier: #VU77537

CSH Severity: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2023-28703

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
GT6
GT-AXE16000
GT-AXE11000 PRO
GT-AXE11000
GT-AX6000
GT-AX11000
GS-AX5400
GS-AX3000
ZenWiFi XT9
ZenWiFi XT8
ZenWiFi XT8_V2
RT-AX86U PRO
RT-AX86U
RT-AX86S
RT-AX82U
RT-AX58U
RT-AX3000
TUF-AX6000
TUF-AX5400

Software vendor:
Asus

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the cgi function. A remote administrator can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install updates from vendor's website.

• https://www.twcert.org.tw/tw/cp-132-7147-afcf9-1.html
• https://www.asus.com/content/asus-product-security-advisory/#06/19/2023
• https://www.hkcert.org/security-bulletin/asus-router-multiple-vulnerabilities_20230620