What is CVE-2023-28703?

CVE-2023-28703 is a stack-based buffer overflow vulnerability in the specific cgi function of ASUS RT-AC86U firmware version 3.0.0.4.386.51255, which allows remote attackers with administrator privileges to execute arbitrary system commands.

What is the severity of CVE-2023-28703?

The severity of CVE-2023-28703 is high, with a severity value of 7.2.

Which software versions are affected by CVE-2023-28703?

ASUS RT-AC86U firmware version 3.0.0.4.386.51255 is affected by CVE-2023-28703.

How can an attacker exploit CVE-2023-28703?

An attacker with administrator privileges can exploit CVE-2023-28703 by sending malicious network packets to the vulnerable device, allowing them to execute arbitrary system commands.

Vulnerability/
CVE-2023-28703

high

7.2

CWE

787 119 121

2/6/2023

14/10/2024

CVE-2023-28703: ASUS RT-AC86U - Buffer Overflow

First published: Fri Jun 02 2023(Updated: )

ASUS RT-AC86U’s specific cgi function has a stack-based buffer overflow vulnerability due to insufficient validation for network packet header length. A remote attacker with administrator privileges can exploit this vulnerability to execute arbitrary system commands, disrupt system or terminate service.

Credit: twcert@cert.org.tw twcert@cert.org.tw

Affected Software	Affected Version	How to fix
Asus Rt-ac86u Firmware	=3.0.0.4.386.51255
ASUS RT-AC86U
All of
Asus Rt-ac86u Firmware	=3.0.0.4.386.51255
ASUS RT-AC86U

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Reference Links

https://www.twcert.org.tw/tw/cp-132-7147-afcf9-1.html

Frequently Asked Questions

What is CVE-2023-28703?
CVE-2023-28703 is a stack-based buffer overflow vulnerability in the specific cgi function of ASUS RT-AC86U firmware version 3.0.0.4.386.51255, which allows remote attackers with administrator privileges to execute arbitrary system commands.
How does CVE-2023-28703 occur?
CVE-2023-28703 occurs due to insufficient validation for network packet header length in ASUS RT-AC86U's specific cgi function.
What is the severity of CVE-2023-28703?
The severity of CVE-2023-28703 is high, with a severity value of 7.2.
Which software versions are affected by CVE-2023-28703?
ASUS RT-AC86U firmware version 3.0.0.4.386.51255 is affected by CVE-2023-28703.
How can an attacker exploit CVE-2023-28703?
An attacker with administrator privileges can exploit CVE-2023-28703 by sending malicious network packets to the vulnerable device, allowing them to execute arbitrary system commands.

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