CVE-2023-39240 — Use of Externally-Controlled Format String in Rt-ax55

CWE-134 — Use of Externally-Controlled Format String3 documents3 sources
Severity
7.2HIGHNVD
EPSS
0.8%
top 25.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Asus Rt-ax55Asus Rt-ax56u V2Asus Rt-ac86u Firmware+2 more
Timeline
PublishedSep 7

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 vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 1.2 | Impact: 5.9

Affected Packages5 packages

▶CVEListV5asus/rt-ax56u_v23.0.0.4.386_50460
▶NVDasus/rt-ax56u_v2_firmware3.0.0.4.386_50460
▶CVEListV5asus/rt-ax553.0.0.4.386_50460
▶NVDasus/rt-ax55_firmware3.0.0.4.386_50460
▶NVDasus/rt-ac86u_firmware3.0.0.4_386_51529

🔴Vulnerability Details

2
GHSA
GHSA-pjc4-2x49-3j92: It is identified a format string vulnerability in ASUS RT-AX56U V2’s iperf client function API↗2023-09-07
▶
CVEList
ASUS RT-AX55、RT-AX56U_V2 - Format String - 3↗2023-09-07
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CVE-2023-39240 — Asus Rt-ax55 vulnerability | cvebase