CVE-2023-39240

HIGH EPSS 63.1%
Published Sep 7, 20232y ago · Modified Jun 17, 20261w ago
7.2 CVSS 3.1
High
Find Similar
Published Sep 7, 2023 2y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.2
Exploitability
1.2
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
63.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-134

Affected Products 6

VendorProductVersionRange
asusrt-ax55_firmware3.0.0.4.386_50460any
asusrt-ax55*any
asusrt-ax56u_v2_firmware3.0.0.4.386_50460any
asusrt-ax56u_v2*any
asusrt-ac86u_firmware3.0.0.4_386_51529any
asusrt-ac86u*any

References 1

  • twcert.org.tw https://www.twcert.org.tw/tw/cp-132-7356-021bf-1.html
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.