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CVE-2022-25596— ASUS RT-AC86U - Heap-based buffer overflow

Quick assessment

Affected
ASUS RT-AC86U
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-AC56U是中国华硕（ASUS）公司的一款双频 Wi-Fi 路由器。 ASUS RT-AC56U 存在安全漏洞，该漏洞源于解密参数长度验证不充分，未经身份验证的局域网攻击者可以执行任意代码、任意操作和中断服务。

CVSS 8.8 · High EPSS 0.59% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-25596

Vulnerability Information
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Vulnerability Title
ASUS RT-AC86U - Heap-based buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
ASUS RT-AC56U’s configuration function has a heap-based buffer overflow vulnerability due to insufficient validation for the decryption parameter length, which allows an unauthenticated LAN attacker to execute arbitrary code, perform arbitrary operations and disrupt service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
ASUS RT-AC56U 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ASUS RT-AC56U是中国华硕（ASUS）公司的一款双频 Wi-Fi 路由器。 ASUS RT-AC56U 存在安全漏洞，该漏洞源于解密参数长度验证不充分，未经身份验证的局域网攻击者可以执行任意代码、任意操作和中断服务。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ASUS RT-AC86U 3.0.0.4.386.45956 -

II. Public POCs for CVE-2022-25596

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III. Intelligence Information for CVE-2022-25596

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Other References for CVE-2022-25596 (1)

Same Patch Batch · ASUS · 2022-04-07 · 7 CVEs total

CVE-2022-25597 8.8 HIGH ASUS RT-AC86U - Command Injection
CVE-2022-23973 8.8 HIGH ASUS RT-AX56U - Stack overflew
CVE-2022-23972 8.8 HIGH ASUS RT-AX56U - SQL Injection
CVE-2022-23971 8.1 HIGH ASUS RT-AX56U - Path Traversal
CVE-2022-23970 8.1 HIGH ASUS RT-AX56U - Path Traversal
CVE-2022-25595 6.5 MEDIUM ASUS RT-AC86U - Improper Input Validation

IV. Related Vulnerabilities

Same product: RT-AC86U
Same vendor: ASUS
Same weakness: CWE-787

V. Comments for CVE-2022-25596

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