CVE entry · CVE-2025-34026
CVE-2025-34026: Versa Concerto Improper Authentication Vulnerability
Versa Concerto SD-WAN orchestration platform contains an improper authentication vulnerability in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.
- Actively exploited: added to CISA’s KEV catalog on January 22, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: February 12, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes Versa Concerto, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
- Vendor advisory or reference cited by CISA (security-portal.versa-networks.com)
- NVD entry (NIST)
- CISA KEV catalog