CVE-2024-22727: Teltonika TRB1-series devices with firmware before TRB1_R_00.07.05.2 allow attackers to exploit a firmware vul
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Routine
HIGH 8.3UPGRADEUPGRADEUPGRADE
CVE-2024-22727 is a high-severity flaw (CVSS 8.3) affecting trb140 firmware, trb141 firmware, trb142 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Teltonika TRB1-series devices with firmware before TRB1_R_00.07.05.2 allow attackers to exploit a firmware vulnerability via Ethernet LAN or USB.
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
teltonika trb140 firmware UPGRADE
Affected: < 00.07.05.2
Fixed in: 00.07.05.2
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.
teltonika trb141 firmware UPGRADE
Affected: < 00.07.05.2
Fixed in: 00.07.05.2
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.
teltonika trb142 firmware UPGRADE
Affected: < 00.07.05.2
Fixed in: 00.07.05.2
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.
teltonika trb143 firmware UPGRADE
Affected: < 00.07.05.2
Fixed in: 00.07.05.2
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.
teltonika trb145 firmware UPGRADE
Affected: < 00.07.05.2
Fixed in: 00.07.05.2
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-2024-22727?
trb140 firmware: upgrade to 00.07.05.2; trb141 firmware: upgrade to 00.07.05.2; trb142 firmware: upgrade to 00.07.05.2. Exact commands for each OS are on this page.
Is CVE-2024-22727 being exploited?
CVE-2024-22727 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-2024-22727 affect?
CVE-2024-22727 affects trb140 firmware, trb141 firmware, trb142 firmware. Severity is high (CVSS 8.3). Teltonika TRB1-series devices with firmware before TRB1_R_00.07.05.2 allow attackers to exploit a firmware vulnerability via Ethernet LAN or USB.
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