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CVE-2023-41349— ASUS RT-AX88U - externally-controlled format string

Quick assessment

Affected
ASUS RT-AX88U
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ASUS RT-AX88U是中国华硕（ASUS）公司的一个无线路由器。 ASUS RT-AX88U 存在格式化字符串错误漏洞，该漏洞源于Advanced Open VPN 功能中存在使用外部可控格式字符串的漏洞， 攻击者利用该漏洞可与导出的 OpenVPN 配置并使用外部可控格式字符串进行攻击，导致敏感信息泄露，或强制设备重置并永久拒绝服务。

CVSS 8.8 · High EPSS 0.86% · P57
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I. Basic Information for CVE-2023-41349

Vulnerability Information
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Vulnerability Title
ASUS RT-AX88U - externally-controlled format string
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用外部控制的格式字符串
Source: CVE Program / CVE List V5
Vulnerability Title
ASUS RT-AX88U 格式化字符串错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ASUS RT-AX88U是中国华硕（ASUS）公司的一个无线路由器。 ASUS RT-AX88U 存在格式化字符串错误漏洞，该漏洞源于Advanced Open VPN 功能中存在使用外部可控格式字符串的漏洞， 攻击者利用该漏洞可与导出的 OpenVPN 配置并使用外部可控格式字符串进行攻击，导致敏感信息泄露，或强制设备重置并永久拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ASUS RT-AX88U ~ 3.0.0.4_388_23748 -

II. Public POCs for CVE-2023-41349

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III. Intelligence Information for CVE-2023-41349

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Other References for CVE-2023-41349 (1)

IV. Related Vulnerabilities

Same product: RT-AX88U
Same vendor: ASUS
Same weakness: CWE-134

V. Comments for CVE-2023-41349

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