CVE-2018-17935: All versions of Telecrane F25 Series Radio Controls before 00.0A use fixed codes that are reproducible by snif
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HIGH 8.1UPGRADEUPGRADEUPGRADE
CVE-2018-17935 is a high-severity flaw (CVSS 8.1) affecting f25-2s firmware, f25-2d firmware, f25-4s firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
All versions of Telecrane F25 Series Radio Controls before 00.0A use fixed codes that are reproducible by sniffing and re-transmission. This can lead to unauthorized replay of a command, spoofing of an arbitrary message, or keeping the controlled load in a permanent "stop" state.
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
telecrane f25-2s firmware UPGRADE
Affected: < 00.0a
Fixed in: 00.0a
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.
telecrane f25-2d firmware UPGRADE
Affected: < 00.0a
Fixed in: 00.0a
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.
telecrane f25-4s firmware UPGRADE
Affected: < 00.0a
Fixed in: 00.0a
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.
telecrane f25-4d firmware UPGRADE
Affected: < 00.0a
Fixed in: 00.0a
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.
telecrane f25-6s firmware UPGRADE
Affected: < 00.0a
Fixed in: 00.0a
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.
telecrane f25-6d firmware UPGRADE
Affected: < 00.0a
Fixed in: 00.0a
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-2018-17935?
f25-2s firmware: upgrade to 00.0a; f25-2d firmware: upgrade to 00.0a; f25-4s firmware: upgrade to 00.0a. Exact commands for each OS are on this page.
Is CVE-2018-17935 being exploited?
CVE-2018-17935 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-2018-17935 affect?
CVE-2018-17935 affects f25-2s firmware, f25-2d firmware, f25-4s firmware. Severity is high (CVSS 8.1). All versions of Telecrane F25 Series Radio Controls before 00.0A use fixed codes that are reproducible by sniffing and re-transmission. This can lead to unauthorized replay of a command, spoofing of an arbitrary message, or keeping the cont
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