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CVE-2026-8673— Password re-initialization mechanism sends passwords in plain text

CVSS 5.9 · Medium EPSS 0.03% · P8

Affected Version Matrix 1

VendorProductVersion RangeStatus
syslink software AGAvantra< 25.3.0affected
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I. Basic Information for CVE-2026-8673

Vulnerability Information
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Vulnerability Title
Password re-initialization mechanism sends passwords in plain text
Source: NVD (National Vulnerability Database)
Vulnerability Description
Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing Attacks. This issue affects Avantra: before 25.3.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
凭证传输未经安全保护
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
syslink software AGAvantra 0 ~ 25.3.0 -

II. Public POCs for CVE-2026-8673

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III. Intelligence Information for CVE-2026-8673

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Vendor Advisories for CVE-2026-8673 (1)

Same Patch Batch · syslink software AG · 2026-05-22 · 4 CVEs total

CVE-2026-86709.6 CRITICALInsecure session handling on metrics web server
CVE-2026-86717.5 HIGHLog Files contain encrypted secrets
CVE-2026-86725.1 MEDIUMDefault credentials for internal DB

IV. Related Vulnerabilities

Same product: Avantra
Same vendor: syslink software AG
Same weakness: CWE-523

V. Comments for CVE-2026-8673

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