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Vulnerabilities CVE-2025-15681

CVE-2025-15681

Critical
Open
TLP:CLEAR

Insufficient Webserver Authentication

AI Analysis

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Description

TBEA TLogger V2.1.0.0B0.0.0.0 contains an authentication bypass in its web server. After a user has previously authenticated to the device, an unauthenticated attacker can directly access protected functionality through the /index.asp endpoint without providing valid credentials. This allows the attacker to access functionality intended for authenticated users and may expose or modify device configuration and data. Logging out from the bypassed state can additionally cause the web server to crash.

Details

CVSS Score
9.2
EPSS Score
0.48%

38.9th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
Aug 10, 2026
Last Modified
Aug 10, 2026
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