CVE-2026-8673
Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing Attacks. This issue aff
CVSS
5.9
Medio
EPSS
0.2%
p9
KEV
—
Exploit Today
3
0-100
Publicado: 22 may 2026 · Última mod.: 23 jul 2026 · CWE-523
0.2%EPSS · 30 días0.2%
2026-07-122026-08-08
Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing Attacks. This issue affects Avantra: before 25.3.0.
CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2026-565873.7 BAJ5.2%
——2HCL IEM was affected with Strict transport security not enforced. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and compromise secure communications.11dCVE-2026-547847.4 ALT7.1%
——2CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. In version 1.9.0, CoreWCF SPNEGO SecurityContextToken negotiation can expose the proof key recovered from the RSTR when TransportWithMessageCredential with Windows client credentials and session establishment are used, allowing an observer to impersonate the authenticated Windows principal and decrypt or forge WS-SecureConversation traffic. This issue is fixed in version 1.9.1.31dCVE-2026-366105.9 MED4.4%
——1Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials.18d