PT-2026-31709 · Contemporary Controls · Basc 20T

Joseph Fields · CVE-2025-13926 · Published 2026-04-09 · Updated 2026-04-10

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Contemporary Controls BASC 20T (affected versions not specified)

Description An attacker can forge packets by obtaining data from network traffic to make arbitrary requests to the device. This allows for device reconfiguration, file manipulation, and remote procedure calls.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-807

Related Identifiers

CVE-2025-13926

Affected Products

Basc 20T

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2025-13926 · Security Note
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-01.json · Note
• https://cisa.gov/news-events/ics-advisories/icsa-26-099-01 · Note
• https://twitter.com/0dayPublishing/status/2042334157649371317 · Twitter Post
• https://twitter.com/giuseppe_1337/status/2042645157896388714 · Twitter Post
• https://twitter.com/CVEnew/status/2042340044464075031 · Twitter Post
• https://twitter.com/aviatrixtrc/status/2042280580767752602 · Twitter Post
• https://twitter.com/CveFindCom/status/2042342548178354552 · Twitter Post
• https://ccontrols.com/support/contacttech.htm · Note