CVE-2025-8769criticalCWE-20

CVE-2025-8769: critical vulnerability in MegaSys Computer Technologies Telenium Online…

MegaSys Computer Technologies Telenium Online Web Application Improper Input Validation

Published 24 Dec 2025

Follow this CVE + Monitor Telenium Online Web Application

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.3epss 1.0%

Telenium Online Web Application is vulnerable due to a Perl script that is called to load the login page. Due to improper input validation, an attacker can inject arbitrary Perl code through a crafted HTTP request, leading to remote code execution on the server.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

MegaSys Computer Technologies · Telenium Online Web Application

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2024/icsa-24-263-04.json https://megasys.com/support/https://www.cisa.gov/news-events/ics-advisories/icsa-24-263-04