CVE-2018-5473: An Improper Restriction of Operations within the Bounds of a Memory Buffer issue was discovered in GE D60 Line

Q: How do I fix CVE-2018-5473?

d60 line distance relay firmware: upgrade to newer than 7.11. Exact commands for each OS are on this page.

Q: Is CVE-2018-5473 being exploited?

CVE-2018-5473 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-5473 affect?

CVE-2018-5473 affects d60 line distance relay firmware. Severity is critical (CVSS 9.8). An Improper Restriction of Operations within the Bounds of a Memory Buffer issue was discovered in GE D60 Line Distance Relay devices running firmware Version 7.11 and prior. The SSH functions of the device are vulnerable to buffer overflow

Q: How urgent is CVE-2018-5473?

Priority 63/100. Critical severity; EPSS top 7%: very likely to be exploited; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-5473 is a critical-severity flaw (CVSS 9.8) affecting d60 line distance relay firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An Improper Restriction of Operations within the Bounds of a Memory Buffer issue was discovered in GE D60 Line Distance Relay devices running firmware Version 7.11 and prior. The SSH functions of the device are vulnerable to buffer overflow conditions that may allow a remote attacker to execute arbitrary code on the device.

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	5.9% (top 7%)
CISA exploited list	No
Weakness	CWE-119
Published	2018-02-19
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: ge

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

Am I affected?

Timeline

2018-02-19 18:29 UTCPublished CVE record published
2026-06-17 02:00 UTCUpdated Record last modified

ge d60 line distance relay firmware UPGRADE

Affected: <= 7.11

Fixed in: newer than 7.11

Safe to downgrade to: no unaffected older release

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-2018-5473?

d60 line distance relay firmware: upgrade to newer than 7.11. Exact commands for each OS are on this page.

Is CVE-2018-5473 being exploited?

CVE-2018-5473 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-2018-5473 affect?

CVE-2018-5473 affects d60 line distance relay firmware. Severity is critical (CVSS 9.8). An Improper Restriction of Operations within the Bounds of a Memory Buffer issue was discovered in GE D60 Line Distance Relay devices running firmware Version 7.11 and prior. The SSH functions of the device are vulnerable to buffer overflow

How urgent is CVE-2018-5473?

Priority 63/100. Critical severity; EPSS top 7%: very likely to be exploited; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-5475 CRITICAL 9.8 UPGRADE A Stack-based Buffer Overflow issue was discovered in GE D60 Line Distance Relay devices running firmware Vers

References

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