CVE-2018-10603: Martem TELEM GW6 and GWM devices with firmware 2018.04.18-linux_4-01-601cb47 and prior do not perform authenti

Q: How do I fix CVE-2018-10603?

telem-gwm firmware: upgrade to newer than 2018.04.18-linux_4-01-601cb47; telem-gw6 firmware: upgrade to newer than 2018.04.18-linux_4-01-601cb47. Exact commands for each OS are on this page.

Q: Is CVE-2018-10603 being exploited?

CVE-2018-10603 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-2018-10603 affect?

CVE-2018-10603 affects telem-gwm firmware, telem-gw6 firmware. Severity is critical (CVSS 9.8). Martem TELEM GW6 and GWM devices with firmware 2018.04.18-linux_4-01-601cb47 and prior do not perform authentication of IEC-104 control commands, which may allow a rogue node a remote control of the industrial process.

Q: How urgent is CVE-2018-10603?

Priority 66/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

This week

CRITICAL 9.8REMOTEWATCHLISTUPGRADEUPGRADE

CVE-2018-10603 is a critical-severity flaw (CVSS 9.8) affecting telem-gwm firmware, telem-gw6 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Martem TELEM GW6 and GWM devices with firmware 2018.04.18-linux_4-01-601cb47 and prior do not perform authentication of IEC-104 control commands, which may allow a rogue node a remote control of the industrial process.

Why this priority

Critical severity
Remotely exploitable, no login, no user action
On your watchlist

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	3.3% (top 12%)
CISA exploited list	No
Weakness	CWE-306, CWE-287
Published	2018-07-31
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2018-07-31 17:29 UTCPublished CVE record published
2026-06-17 01:34 UTCUpdated Record last modified

martem telem-gwm firmware UPGRADE

Affected: <= 2018.04.18-linux_4-01-601cb47

Fixed in: newer than 2018.04.18-linux_4-01-601cb47

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.

martem telem-gw6 firmware UPGRADE

Affected: <= 2018.04.18-linux_4-01-601cb47

Fixed in: newer than 2018.04.18-linux_4-01-601cb47

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-2018-10603?

telem-gwm firmware: upgrade to newer than 2018.04.18-linux_4-01-601cb47; telem-gw6 firmware: upgrade to newer than 2018.04.18-linux_4-01-601cb47. Exact commands for each OS are on this page.

Is CVE-2018-10603 being exploited?

CVE-2018-10603 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-2018-10603 affect?

CVE-2018-10603 affects telem-gwm firmware, telem-gw6 firmware. Severity is critical (CVSS 9.8). Martem TELEM GW6 and GWM devices with firmware 2018.04.18-linux_4-01-601cb47 and prior do not perform authentication of IEC-104 control commands, which may allow a rogue node a remote control of the industrial process.

How urgent is CVE-2018-10603?

Priority 66/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

Related CVEs

CVE-2018-10609 MEDIUM 6.1 UPGRADE UPGRADE Martem TELEM GW6 and GWM devices with firmware 2018.04.18-linux_4-01-601cb47 and prior allow improper sanitiza
CVE-2018-10607 HIGH 7.5 UPGRADE UPGRADE Martem TELEM GW6 and GWM devices with firmware 2018.04.18-linux_4-01-601cb47 and prior allow the creation of n
CVE-2018-10605 HIGH 8.8 UPGRADE UPGRADE Martem TELEM GW6/GWM versions prior to 2.0.87-4018403-k4 may allow unprivileged users to modify/upload a new s

References

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