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CRITICAL

CVE-2019-19148

CVSS v3

9.8

CRITICAL

EPSS Score

7.9 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-19148 yet.

Full record on NVD

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.

Technical details

Published
2020-03-20

Frequently asked questions

What is CVE-2019-19148?

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.

Is CVE-2019-19148 actively exploited?

Active exploitation of CVE-2019-19148 has not been confirmed. Its EPSS score was 7.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-19148?

CVE-2019-19148 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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