CVE-2023-39239

ASUS RT-AX55、RT-AX56U_V2、RT-AC86U - Format String - 2

Description

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. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.

Remediation

Solution:

  • RT-AX55: update to 3.0.0.4.386_51948  RT-AX56U_V2: update to 3.0.0.4.386_51948  RT-AC86U: update to 3.0.0.4.386_51915

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 1.11% Top 25%
Affected: ASUS RT-AX55
Affected: ASUS RT-AX56U_V2
Affected: ASUS RT-AC86U
Published at:
Updated at:

References

Link Tags
https://https://www.twcert.org.tw/tw/cp-132-7355-0ce8d-1.html broken link

Frequently Asked Questions

What is the severity of CVE-2023-39239?
CVE-2023-39239 has been scored as a high severity vulnerability.
How to fix CVE-2023-39239?
To fix CVE-2023-39239: RT-AX55: update to 3.0.0.4.386_51948  RT-AX56U_V2: update to 3.0.0.4.386_51948  RT-AC86U: update to 3.0.0.4.386_51915
Is CVE-2023-39239 being actively exploited in the wild?
It is possible that CVE-2023-39239 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-39239?
CVE-2023-39239 affects ASUS RT-AX55, ASUS RT-AX56U_V2, ASUS RT-AC86U.
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