CVE-2026-3873: high-severity vulnerability in syslink software AG Avantra
Legacy built-in user account
Published
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.2epss 0.3%
exploitation probability
0.3%top 83% of all CVEs
observed exploitation
nono source reports it
Use of Hard-coded Credentials vulnerability in Avantra allows Accessing
Functionality Not Properly Constrained by ACLs. This issue affects
Avantra: before 25.3.0.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected products
syslink software AG · AvantraRelated CVEs — syslink software AG Avantra
In the same product, most dangerous first.