What’s Vulnerable › Vulnerabilities

CVE-2019-19148

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-03-20 · updated 2026-06-17
• Weakness: CWE-78

Description

Tellabs Optical Line Terminal (OLT) 1150 devices allow Remote Command Execution via the -l option to TELNET or SSH. Tellabs has addressed this issue in the SR30.1 and SR31.1 release on February 18, 2020.

Affected products

• Tellabs Optical Line Terminal 1150 Firmware: ont709.2.50.12

References

• https://docs.tellabs.com/articles/#%21vulnerability-response/cve-2019-19148
• https://github.com/ellwoodthewood/tellabs_rce
• https://docs.tellabs.com/articles/#%21vulnerability-response/cve-2019-19148
• https://github.com/ellwoodthewood/tellabs_rce

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