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CVE-2026-19891— TRENDnet TEW-WLC100 IKE Phase 1 Aggressive Mode racoon.conf missing encryption

Quick assessment

Affected
TRENDnet TEW-WLC100
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.

TRENDnet TEW-WLC100是美国TRENDnet公司的一款无线网络控制器。 TRENDnet TEW-WLC100 2.05b02版本存在加密问题漏洞，该漏洞源于对文件/etc/racoon.conf中exchange_mode参数的操作导致敏感数据未加密，可能允许远程攻击者获取敏感数据。

CVSS 3.7 · Low EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
TRENDnet TEW-WLC100 2.05b02 affected
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I. Basic Information for CVE-2026-19891

Vulnerability Information
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Vulnerability Title
TRENDnet TEW-WLC100 IKE Phase 1 Aggressive Mode racoon.conf missing encryption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in TRENDnet TEW-WLC100 2.05b02. This affects an unknown function of the file /etc/racoon.conf of the component IKE Phase 1 Aggressive Mode. This manipulation of the argument exchange_mode causes missing encryption of sensitive data. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is reported as difficult. The vendor was contacted early about this disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据加密缺失
Source: CVE Program / CVE List V5
Vulnerability Title
TRENDnet TEW-WLC100 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TRENDnet TEW-WLC100是美国TRENDnet公司的一款无线网络控制器。 TRENDnet TEW-WLC100 2.05b02版本存在加密问题漏洞，该漏洞源于对文件/etc/racoon.conf中exchange_mode参数的操作导致敏感数据未加密，可能允许远程攻击者获取敏感数据。
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-WLC100 2.05b02 cpe:2.3:a:trendnet:tew-wlc100:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19891

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III. Intelligence Information for CVE-2026-19891

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Vendor Advisories for CVE-2026-19891 (1)

Security Blog Posts for CVE-2026-19891 (1)

News Coverage for CVE-2026-19891 (1)

Other References for CVE-2026-19891 (1)

IV. Related Vulnerabilities

Same product: TEW-WLC100
Same vendor: TRENDnet
Same weakness: CWE-311

V. Comments for CVE-2026-19891

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