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

Severity: low (CVSS 3.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-15 · updated 2026-08-20
Weakness: CWE-310

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.

Affected products

TRENDnet TEW-WLC100: 2.05b02

References

https://app.notion.com/p/TEW-WLC100-2-05b02-38b1f5ba989080f993facb660f17358e?source=copy_link
https://vuldb.com/cve/CVE-2026-19891
https://vuldb.com/submit/870587
https://vuldb.com/vuln/390080
https://vuldb.com/vuln/390080/cti

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