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CVE-2024-39228: GL-iNet products AR750/AR750S/AR300M/AR300M16/MT300N-V2/B1300/MT1300/SFT1200/X750 v4.3.11, MT3000/MT2500/AXT18

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CRITICAL 9.8REMOTEMITIGATEMITIGATEMITIGATE

CVE-2024-39228 is a critical-severity flaw (CVSS 9.8) affecting mt6000 firmware, a1300 firmware, x300b firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GL-iNet products AR750/AR750S/AR300M/AR300M16/MT300N-V2/B1300/MT1300/SFT1200/X750 v4.3.11, MT3000/MT2500/AXT1800/AX1800/A1300/X300B v4.5.16, XE300 v4.3.16, E750 v4.3.12, AP1300/S1300 v4.3.13, and XE3000/X3000 v4.4 were discovered to contain a shell injection vulnerability via the interface check_ovpn_client_config and check_config.

Why this priority

  • Critical severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.7% (top 48%)
CISA exploited listNo
WeaknessCWE-78
Published2024-08-06
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: gl-inet

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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

gl-inet mt6000 firmware MITIGATE
Affected: 4.5.8
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.8
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.
gl-inet a1300 firmware MITIGATE
Affected: 4.5.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.16
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.
gl-inet x300b firmware MITIGATE
Affected: 4.5.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.16
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.
gl-inet ax1800 firmware MITIGATE
Affected: 4.5.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.16
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.
gl-inet axt1800 firmware MITIGATE
Affected: 4.5.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.16
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.
gl-inet mt2500 firmware MITIGATE
Affected: 4.5.16
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.16
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-2024-39228?

mt6000 firmware: mitigate or apply the listed mitigation; a1300 firmware: mitigate or apply the listed mitigation; x300b firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-39228 being exploited?

CVE-2024-39228 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-2024-39228 affect?

CVE-2024-39228 affects mt6000 firmware, a1300 firmware, x300b firmware. Severity is critical (CVSS 9.8). GL-iNet products AR750/AR750S/AR300M/AR300M16/MT300N-V2/B1300/MT1300/SFT1200/X750 v4.3.11, MT3000/MT2500/AXT1800/AX1800/A1300/X300B v4.5.16, XE300 v4.3.16, E750 v4.3.12, AP1300/S1300 v4.3.13, and XE3000/X3000 v4.4 were discovered to contain

How urgent is CVE-2024-39228?

Priority 57/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

References

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