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Vulnerability record · CVE-2019-19148 · published 20 March 2020

CVE-2019-19148: Tellabs optical line terminal 1150 firmware os command injection vulnerability

Tellabs · Optical Line Terminal 1150 Firmware

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.

9.8 CVSS 3.1 Critical EPSS 7.9% · top 5.5% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 10.0
7.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by 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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2019-19148), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.