CVE-2023-41349

ASUS RT-AX88U - externally-controlled format string

Published Sep 18, 2023 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description

ASUS router RT-AX88U has a vulnerability of using externally controllable format strings within its Advanced Open VPN function. An authenticated remote attacker can exploit the exported OpenVPN configuration to execute an externally-controlled format string attack, resulting in sensitivity information leakage, or forcing the device to reset and permanent denial of service.

Remediation

Vendor Solution

Update the version to 3.0.0.4_388_23748 or later.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-45852 ASUS router RT-AX88U has a vulnerability of using externally controllable format strings within its Advanced Open VPN function. An authenticated remote attacker can exploit the exported OpenVPN configuration to execute an externally-controlled format string attack, resulting in sensitivity information leakage, or forcing the device to reset and permanent denial of service.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
twcert
Published
Updated
Sep 25, 2024, 3:39 PM
Reserved
Aug 29, 2023, 12:11 AM
Status
Modified
Published
Sep 18, 2023, 3:15 AM
Modified
Jun 17, 2026, 6:21 AM