CVE-2017-7905: A Weak Cryptography for Passwords issue was discovered in General Electric (GE) Multilin SR 750 Feeder Protect
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CRITICAL 9.8REMOTEUPGRADEUPGRADEUPGRADE
CVE-2017-7905 is a critical-severity flaw (CVSS 9.8) affecting multilin sr 750 feeder protection relay firmware, multilin sr 760 feeder protection relay firmware, multilin sr 469 motor protection relay firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A Weak Cryptography for Passwords issue was discovered in General Electric (GE) Multilin SR 750 Feeder Protection Relay, firmware versions prior to Version 7.47; SR 760 Feeder Protection Relay, firmware versions prior to Version 7.47; SR 469 Motor Protection Relay, firmware versions prior to Version 5.23; SR 489 Generator Protection Relay, firmware versions prior to Version 4.06; SR 745 Transformer Protection Relay, firmware versions prior to Ver
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
Published CVE record published
Updated Record last modified
ge multilin sr 750 feeder protection relay firmware UPGRADE
Affected: <= 5.02
Fixed in: newer than 5.02
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.
ge multilin sr 760 feeder protection relay firmware UPGRADE
Affected: <= 5.02
Fixed in: newer than 5.02
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.
ge multilin sr 469 motor protection relay firmware UPGRADE
Affected: <= 2.90
Fixed in: newer than 2.90
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.
ge multilin sr 489 generator protection relay firmware UPGRADE
Affected: <= 1.53
Fixed in: newer than 1.53
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.
ge multilin sr 745 transformer protection relay firmware UPGRADE
Affected: <= 2.85
Fixed in: newer than 2.85
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.
ge multilin sr 369 motor protection relay firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
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 sourceNVD · 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-2017-7905?
multilin sr 750 feeder protection relay firmware: upgrade to newer than 5.02; multilin sr 760 feeder protection relay firmware: upgrade to newer than 5.02; multilin sr 469 motor protection relay firmware: upgrade to newer than 2.90. Exact commands for each OS are on this page.
Is CVE-2017-7905 being exploited?
CVE-2017-7905 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-2017-7905 affect?
CVE-2017-7905 affects multilin sr 750 feeder protection relay firmware, multilin sr 760 feeder protection relay firmware, multilin sr 469 motor protection relay firmware. Severity is critical (CVSS 9.8). A Weak Cryptography for Passwords issue was discovered in General Electric (GE) Multilin SR 750 Feeder Protection Relay, firmware versions prior to Version 7.47; SR 760 Feeder Protection Relay, firmware versions prior to Version 7.47; SR 46
How urgent is CVE-2017-7905?
Priority 57/100. Critical severity; Remotely exploitable, no login, no user action
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