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CVE-2022-26673— ASUS RT-AX88U - Stored XSS

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 存在安全漏洞，该漏洞源于 RT-AX88U 对 HTTP 标头参数中的特殊字符的过滤不足。具有一般用户权限的远程攻击者可以利用此漏洞注入 JavaScript 并执行存储跨站点脚本 (XSS) 攻击。

CVSS 5.4 · Medium EPSS 0.59% · P47

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2022-26673

Vulnerability Information
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Vulnerability Title
ASUS RT-AX88U - Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
ASUS RT-AX88U has insufficient filtering for special characters in the HTTP header parameter. A remote attacker with general user privilege can exploit this vulnerability to inject JavaScript and perform Stored Cross-Site Scripting (XSS) attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
ASUS RT-AX88U 跨站脚本漏洞
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 存在安全漏洞，该漏洞源于 RT-AX88U 对 HTTP 标头参数中的特殊字符的过滤不足。具有一般用户权限的远程攻击者可以利用此漏洞注入 JavaScript 并执行存储跨站点脚本 (XSS) 攻击。
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 unspecified ~ 3.0.0.4.386.4606 -

II. Public POCs for CVE-2022-26673

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III. Intelligence Information for CVE-2022-26673

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Other References for CVE-2022-26673 (1)

Same Patch Batch · ASUS · 2022-04-22 · 3 CVEs total

CVE-2022-26674 9.8 CRITICAL ASUS RT-AX88U - Format String
CVE-2022-26672 7.3 HIGH ASUS WebStorage - Use of Hard-coded Credentials

IV. Related Vulnerabilities

Same product: RT-AX88U
Same vendor: ASUS
Same weakness: CWE-79

V. Comments for CVE-2022-26673

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