Vulnerability in ASUS Rt-Ac86u
CVE-2023-39240
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- ASUS Rt-Ac86u
- ASUS Rt-Ac86u Firmware — versions 3.0.0.4_386_51529
- ASUS Rt-Ax55 — versions 3.0.0.4.386_50460
- ASUS Rt-Ax55 Firmware — versions 3.0.0.4.386_50460
- ASUS Rt-Ax56u V2 — versions 3.0.0.4.386_50460
- ASUS Rt-Ax56u V2 Firmware — versions 3.0.0.4.386_50460
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.twcert.org.tw/tw/cp-132-7356-021bf-1.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-39240?
- CVE-2023-39240 is a high-severity vulnerability in ASUS Rt-Ac86u, classified under Use of Externally-Controlled Format String. CVSS score: 7.2/10. Published 2023-09-07.
- How severe is CVE-2023-39240?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2023-39240 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.