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CVE-2023-32350: Versions 00.07.00 through 00.07.03 of Teltonika’s RUT router firmware contain an operating system (OS) comman

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HIGH 8.0UPGRADEUPGRADEUPGRADE

CVE-2023-32350 is a high-severity flaw (CVSS 8.0) affecting rut200 firmware, rut240 firmware, rut241 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Versions 00.07.00 through 00.07.03 of Teltonika’s RUT router firmware contain an operating system (OS) command injection vulnerability in a Lua service. An attacker could exploit a parameter in the vulnerable function that calls a user-provided package name by instead providing a package with a malicious name that contains an OS command injection payload.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score8.0 (High)
Attack vectorAdjacent network
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance1.5% (top 26%)
CISA exploited listNo
WeaknessCWE-78
Published2023-05-22
Last modified2026-06-17
Publisher (CNA): ICS-CERT · Vendor: teltonika-networks

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

Am I affected?

Timeline

teltonika-networks rut200 firmware UPGRADE
Affected: >= 00.07.00 and <= 00.07.03
Fixed in: newer than 00.07.03
Safe to downgrade to: a release before 00.07.00
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-networks rut240 firmware UPGRADE
Affected: >= 00.07.00 and <= 00.07.03
Fixed in: newer than 00.07.03
Safe to downgrade to: a release before 00.07.00
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-networks rut241 firmware UPGRADE
Affected: >= 00.07.00 and <= 00.07.03
Fixed in: newer than 00.07.03
Safe to downgrade to: a release before 00.07.00
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-networks rut300 firmware UPGRADE
Affected: >= 00.07.00 and <= 00.07.03
Fixed in: newer than 00.07.03
Safe to downgrade to: a release before 00.07.00
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-networks rut360 firmware UPGRADE
Affected: >= 00.07.00 and <= 00.07.03
Fixed in: newer than 00.07.03
Safe to downgrade to: a release before 00.07.00
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-networks rut901 firmware UPGRADE
Affected: >= 00.07.00 and <= 00.07.03
Fixed in: newer than 00.07.03
Safe to downgrade to: a release before 00.07.00
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-2023-32350?

rut200 firmware: upgrade to newer than 00.07.03; rut240 firmware: upgrade to newer than 00.07.03; rut241 firmware: upgrade to newer than 00.07.03. Exact commands for each OS are on this page.

Is CVE-2023-32350 being exploited?

CVE-2023-32350 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-2023-32350 affect?

CVE-2023-32350 affects rut200 firmware, rut240 firmware, rut241 firmware. Severity is high (CVSS 8.0). Versions 00.07.00 through 00.07.03 of Teltonika’s RUT router firmware contain an operating system (OS) command injection vulnerability in a Lua service. An attacker could exploit a parameter in the vulnerable function that calls a user-pro

How urgent is CVE-2023-32350?

Priority 47/100. High severity

Related CVEs

References

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