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TI-2025-12727 Aliases CVE-2025-13926GHSA-5wpm-jgqp-3v9m

Contemporary Controls BASC 20T Reliance on Untrusted Inputs in a Security Decision

Priority MEDIUM 48CWE-807Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

An attacker could use data obtained by sniffing the network traffic to forge packets in order to make arbitrary requests to Contemporary Controls BASC 20T.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00451 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Contemporary ControlsBASControl203.1—No fix listedCNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-13926
  2. 2026-10-03 Alias added: GHSA-5wpm-jgqp-3v9m

References

  • TI-2024-03995 Contemporary Controls BASrouter BACnet BASRT-B Device-Communication-Control Service denial of service CVSS 3.1MEDIUM 6.5

Sources