HOMEVULNERABILITIESCVE-2019-19148
CRITICAL

CVE-2019-19148

CWE-78Published: March 20, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-19148 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

tellabs2 product(s)
optical line terminal 1150 firmwareoptical line terminal 1150
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/ellwoodthewood/tellabs_rce
ADVISORYhttps://github.com/ellwoodthewood/tellabs_rce

All References (4)

→
https://docs.tellabs.com/articles/#%21vulnerability-response/cve-2019-19148
→
https://github.com/ellwoodthewood/tellabs_rceExploit · Third Party Advisory
→
https://docs.tellabs.com/articles/#%21vulnerability-response/cve-2019-19148
→
https://github.com/ellwoodthewood/tellabs_rceExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2019-19148
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-78
CISA KEVNo
Affected1 vendor(s)
PublishedMar 20, 2020

Related CVEs (CWE-78)

CVE-2015-2844
10.0
CVE-2015-2845
10.0
CVE-2013-6881
10.0
CVE-2009-1916
10.0
CVE-2012-5863
10.0
CVE-2009-20011
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-19148 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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