PT-2026-42764 · Syslink Software Ag+1 · Avantra

Vicxer Inc · Published 2026-05-22 · Updated 2026-06-02 · CVE-2026-8673

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Avantra versions prior to 25.3.0

Description An unprotected transport of credentials issue in syslink software AG Avantra on Linux and Windows enables sniffing attacks, where an attacker can intercept sensitive authentication data during transmission.

Recommendations Update to version 25.3.0 or later.

Fix

Weakness Enumeration

CWE-523

Related Identifiers

CVE-2026-8673

Affected Products

Avantra

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-8673 · Security Note
• https://support.avantra.com/hc/en-us/articles/5535621927071 · Vendor Advisory
• https://t.me/cveNotify/165652 · Telegram Post