CVE-2023-39240 - CVE House
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Status published High CVE-2023-39240

ASUS RT-AX55、RT-AX56U_V2 - Format String - 3

Vulnerability Description

It is identified a format string vulnerability in ASUS RT-AX56U V2’s iperf client function API. This vulnerability is caused by lacking validation for a specific value within its set_iperf3_cli.cgi module. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

RT-AX55, RT-AX56U_V2
Vulnerable Versions:
3.0.0.4.386_50460

Timeline

Official Publish: September 7th, 2023
Last Modified: September 26th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-134

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.