CVE-2026-88709

Quick assessment

Affected

ASUS Router firmware

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.

在某些华硕（ASUS）路由器固件中，由于未能对操作系统命令中使用的特殊元素进行正确中和，导致拥有物理访问权限的用户可以插入一个包含特制目录名称的 USB 设备，从而可能以 root 权限执行任意命令。有关更多信息，请参阅华硕安全公告中的“华硕路由器固件安全更新”部分。

CVSS 7.0 · High Updated Nov 10, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability Description

Improper neutralization of special elements used in an OS command in certain ASUS Router firmware allows an user with physical access to insert a USB device containing a specially crafted directory name, potentially executing arbitrary commands with root privileges. Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Source: CVE Program / CVE List V5

Vulnerability Type

OS命令中使用的特殊元素转义处理不恰当(OS命令注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
ASUS	Router firmware	3.0.0.4.386 series	-

II. Public POCs for CVE-2026-88709

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-88709

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Vendor Advisories for CVE-2026-88709 (1)

🔗 ASUS Security Advisory | Latest Vulnerability Update Read full article

https://www.cve.org/CVERecord?id=CVE-2026-88709

Same Patch Batch · ASUS · 2026-11-10 · 4 CVEs total

CVE-2026-88710	8.7 HIGH	ASUS 路由器固件任意命令注入漏洞
CVE-2026-88707	7.1 HIGH	ASUS 路由器固件越界写漏洞
CVE-2026-88708	5.3 MEDIUM	华硕路由器固件越界漏洞致服务崩溃

IV. Related Vulnerabilities

Same product: Router firmware

Same vendor: ASUS

Same weakness: CWE-78