CVE-2019-14919: An exposed Telnet Service on the Billion Smart Energy Router SG600R2 with firmware v3.02.rc6 allows a local ne

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HIGH 7.8MITIGATE

CVE-2019-14919 is a high-severity flaw (CVSS 7.8) affecting sg600 r2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An exposed Telnet Service on the Billion Smart Energy Router SG600R2 with firmware v3.02.rc6 allows a local network attacker to authenticate via hardcoded credentials into a shell, gaining root execution privileges over the device.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-798
Published	2020-01-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: billion

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-01-09 17:15 UTCPublished CVE record published
2026-06-17 02:19 UTCUpdated Record last modified

billion sg600 r2 firmware MITIGATE

Affected: 3.02 rc6

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.02

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-14919?

sg600 r2 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-14919 being exploited?

CVE-2019-14919 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-14919 affect?

CVE-2019-14919 affects sg600 r2 firmware. Severity is high (CVSS 7.8). An exposed Telnet Service on the Billion Smart Energy Router SG600R2 with firmware v3.02.rc6 allows a local network attacker to authenticate via hardcoded credentials into a shell, gaining root execution privileges over the device.

How urgent is CVE-2019-14919?

Priority 51/100. High severity; Public exploit reference

Related CVEs

CVE-2019-14920 HIGH 8.8 MITIGATE Billion Smart Energy Router SG600R2 Firmware v3.02.rc6 allows an authenticated attacker to gain root execution
CVE-2019-14918 MEDIUM 5.4 MITIGATE XSS in the DHCP lease-status table in Billion Smart Energy Router SG600R2 Firmware v3.02.rc6 allows an attacke

References

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