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CVE-2023-35086— ASUS RT-AX56U V2 & RT-AC86U - Format String -1

Quick assessment

Affected
ASUS RT-AX56U V2
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ASUS RT-AX56U是中国华硕（ASUS）公司的一款无线路由器。 ASUS RT-AX56U V2和RT-AC86U存在格式化字符串错误漏洞，该漏洞源于存在格式字符串漏洞，未经身份验证的远程攻击者可以利用该漏洞在没有权限的情况下执行远程任意代码执行、任意系统操作或中断服务。

CVSS 7.2 · High EPSS 38.50% · P99

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-35086

Vulnerability Information
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Vulnerability Title
ASUS RT-AX56U V2 & RT-AC86U - Format String -1
Source: CVE Program / CVE List V5
Vulnerability Description
It is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U. This vulnerability is caused by directly using input as a format string when calling syslog in logmessage_normal function, in the do_detwan_cgi module of httpd. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service. This issue affects RT-AX56U V2: 3.0.0.4.386_50460; RT-AC86U: 3.0.0.4_386_51529.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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-AX56U 格式化字符串错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ASUS RT-AX56U是中国华硕（ASUS）公司的一款无线路由器。 ASUS RT-AX56U V2和RT-AC86U存在格式化字符串错误漏洞，该漏洞源于存在格式字符串漏洞，未经身份验证的远程攻击者可以利用该漏洞在没有权限的情况下执行远程任意代码执行、任意系统操作或中断服务。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
ASUS RT-AX56U V2 3.0.0.4.386_50460 -
ASUS RT-AC86U 3.0.0.4_386_51529 -

II. Public POCs for CVE-2023-35086

# POC Description Source Link Shenlong Link
1 POC of CVE-2023-35086 only DoS https://github.com/tin-z/CVE-2023-35086-POC POC Details
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III. Intelligence Information for CVE-2023-35086

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Other References for CVE-2023-35086 (1)

IV. Related Vulnerabilities

Same product: RT-AX56U V2
Same vendor: ASUS
Same weakness: CWE-134

V. Comments for CVE-2023-35086

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