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CVE-2023-39240

HIGH
Published 2023-09-07T07:25:32.504Z
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CVSS Score

V3.1
7.2
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.012
probability
of exploitation in the wild

There is a 1.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.781
Higher than 78.1% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

ASUS

RT-AX55

Affected Versions:

3.0.0.4.386_50460
ASUS

RT-AX56U_V2

Affected Versions:

3.0.0.4.386_50460
asus

rt-ax56u_v2

Affected Versions:

3.0.0.4.386.50460
asus

rt-ax55

Affected Versions:

3.0.0.4.386_50460

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-pjc4-2x49-3j92

Advisory Details

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. An unauthenticated remote attacker can exploit this vulnerability without privilege to perform remote arbitrary code execution, arbitrary system operation or disrupt service.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-39240
WEB https://www.twcert.org.tw/tw/cp-132-7356-021bf-1.html

Advisory provided by GitHub Security Advisory Database. Published: September 7, 2023, Modified: March 27, 2024

References

https://www.twcert.org.tw/tw/cp-132-7356-021bf-1.html
Published: 2023-09-07T07:25:32.504Z
Last Modified: 2024-09-26T19:19:30.745Z
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