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CVE-2026-75984— TRENDnet TEW-823DRU admin.cgi command injection

Quick assessment

Affected
TRENDnet TEW-823DRU
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.

TRENDnet tew-823dru是美国TRENDnet公司的一款高性能无线路由器。 TRENDnet tew-823dru 1.1.02b01版本存在安全漏洞，该漏洞源于对文件/cgi-bin/admin.cgi中Hostname参数的错误操作，可能导致命令注入。

CVSS 7.4 · High EPSS 1.82% · P78

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
TRENDnet TEW-823DRU 1.1.02b01 affected
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I. Basic Information for CVE-2026-75984

Vulnerability Information
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Vulnerability Title
TRENDnet TEW-823DRU admin.cgi command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in TRENDnet TEW-823DRU 1.1.02b01. Impacted is an unknown function of the file /cgi-bin/admin.cgi. The manipulation of the argument Hostname results in command injection. The attack can be launched remotely. The exploit is now public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
TRENDnet tew-823dru 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TRENDnet tew-823dru是美国TRENDnet公司的一款高性能无线路由器。 TRENDnet tew-823dru 1.1.02b01版本存在安全漏洞，该漏洞源于对文件/cgi-bin/admin.cgi中Hostname参数的错误操作，可能导致命令注入。
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
TRENDnet TEW-823DRU 1.1.02b01 cpe:2.3:a:trendnet:tew-823dru:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-75984

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: not reproducible in container (container not up)
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
Upgrade to Pro+
Qwen3.6-35B-A3B · 9902 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-75984

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Proof of Concept for CVE-2026-75984 (2)

Other References for CVE-2026-75984 (3)

Same Patch Batch · TRENDnet · 2026-08-19 · 8 CVEs total

CVE-2026-76584 9.9 CRITICAL TRENDnet TV-IP751WIC alphapd set_time.cgi stack-based overflow
CVE-2026-76589 9.9 CRITICAL TRENDnet TEW-755AP mycli FUN_401000 stack-based overflow
CVE-2026-76590 9.9 CRITICAL TRENDnet TEW-755AP ssi wan.cgi stack-based overflow
CVE-2026-75985 7.4 HIGH TRENDnet Router ping.cgi command injection
CVE-2026-76582 7.4 HIGH TRENDnet TEW-821DAP ssi ping.cgi system command injection
CVE-2026-76583 7.4 HIGH TRENDnet TV-IP751WIC alphapd set_time.cgi command injection
CVE-2026-76591 7.4 HIGH TRENDnet TEW-755AP ssi email.cgi log_email_server command injection

IV. Related Vulnerabilities

Same product: TEW-823DRU
Same vendor: TRENDnet
Same weakness: CWE-77

V. Comments for CVE-2026-75984

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