CVE-2023-39238: ASUS RT-AX55、RT-AX56U_V2 - Format String - 1
First published: Thu Sep 07 2023(Updated: )
It is identified a format string vulnerability in ASUS RT-AX56U V2. This vulnerability is caused by lacking validation for a specific value within its set_iperf3_svr.cgi module. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.
Credit: twcert@cert.org.tw twcert@cert.org.tw
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Asus Rt-ax55 Firmware | =3.0.0.4.386_50460 | |
| ASUS RT-AX55 | ||
| Asus Rt-ax56u V2 Firmware | =3.0.0.4.386_50460 | |
| ASUS RT-AX56U V2 | ||
| Asus Rt-ac86u Firmware | =3.0.0.4_386_51529 | |
| ASUS RT-AC86U | ||
| All of | ||
| Asus Rt-ax55 Firmware | =3.0.0.4.386_50460 | |
| ASUS RT-AX55 | ||
| All of | ||
| Asus Rt-ax56u V2 Firmware | =3.0.0.4.386_50460 | |
| ASUS RT-AX56U V2 | ||
| All of | ||
| Asus Rt-ac86u Firmware | =3.0.0.4_386_51529 | |
| ASUS RT-AC86U |
Remedy
RT-AX55: update to 3.0.0.4.386_51948 RT-AX56U_V2: update to 3.0.0.4.386_51948
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the vulnerability ID for this ASUS RT-AX56U V2 vulnerability?
The vulnerability ID for this ASUS RT-AX56U V2 vulnerability is CVE-2023-39238.
What is the severity of CVE-2023-39238?
The severity of CVE-2023-39238 is critical (CVSS score of 9.8).
How does the format string vulnerability in ASUS RT-AX56U V2 occur?
The format string vulnerability in ASUS RT-AX56U V2 occurs due to lacking validation for a specific value within its set_iperf3_svr.cgi module.
Who can exploit CVE-2023-39238?
CVE-2023-39238 can be exploited by an unauthenticated remote attacker without privilege.
Is there a fix available for this vulnerability?
The fix for this vulnerability may be provided by ASUS in a firmware update.
- collector/nvd-index
- agent/author
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/remedy
- agent/last-modified-date
- agent/title
- agent/weakness
- agent/description
- agent/references
- agent/event
- agent/first-publish-date
- collector/epss-latest
- source/FIRST
- agent/epss
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/asus
- canonical/asus rt-ax55 firmware
- version/asus rt-ax55 firmware/3.0.0.4.386_50460
- canonical/asus rt-ax55
- canonical/asus rt-ax56u v2 firmware
- version/asus rt-ax56u v2 firmware/3.0.0.4.386_50460
- canonical/asus rt-ax56u v2
- canonical/asus rt-ac86u firmware
- version/asus rt-ac86u firmware/3.0.0.4_386_51529
- canonical/asus rt-ac86u