What’s Vulnerable › Vulnerabilities

CVE-2026-22542: DENIAL OF SERVICE FOR CONCURRENT CONNECTIONS ON TELNET

• Severity: critical (CVSS 9.2 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-07 · updated 2026-06-17
• Weakness: CWE-400

Description

An attacker with access to the system's internal network can cause a denial of service on the system by making two concurrent connections through the Telnet service.

Affected products

• EFACEC QC 60/90/120: 8

References

• https://cds.thalesgroup.com/en

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