What’s Vulnerable › Vulnerabilities

CVE-2016-5791

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-10-13 · updated 2026-06-17
• Weakness: CWE-287

Description

An Improper Authentication issue was discovered in JanTek JTC-200, all versions. The improper authentication could provide an undocumented BusyBox Linux shell accessible over the TELNET service without any authentication.

Affected products

• Jantek Jtc-200 Firmware: all versions

References

• https://ics-cert.us-cert.gov/advisories/ICSA-17-283-02
• https://ics-cert.us-cert.gov/advisories/ICSA-17-283-02

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