It is identified a format string vulnerability in ASUS RT-AX56U V2’s General function API. This vulnerability is caused by lacking validation for a specific value within its apply.cgi module. An unauthenticated remote attacker can exploit this vulnerability without privilege to perform remote arbitrary code execution, arbitrary system operation or disrupt service.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-39239
• https://https://www.twcert.org.tw/tw/cp-132-7355-0ce8d-1.html