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CVE-2024-27356: An issue was discovered on certain GL-iNet devices

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This week
HIGH 7.5REMOTEMITIGATEMITIGATEMITIGATE

CVE-2024-27356 is a high-severity flaw (CVSS 7.5) affecting mt6000 firmware, xe3000 firmware, x3000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered on certain GL-iNet devices. Attackers can download files such as logs via commands, potentially obtaining critical user information. This affects MT6000 4.5.5, XE3000 4.4.4, X3000 4.4.5, MT3000 4.5.0, MT2500 4.5.0, AXT1800 4.5.0, AX1800 4.5.0, A1300 4.5.0, S200 4.1.4-0300, X750 4.3.7, SFT1200 4.3.7, XE300 4.3.7, MT1300 4.3.10, AR750 4.3.10, AR750S 4.3.10, AR300M 4.3.10, AR300M16 4.3.10, B1300 4.3.10, MT300N-v2 4.3.10, X300

Why this priority

  • High severity
  • EPSS top 2%: very likely to be exploited
  • Public exploit reference
  • Remotely exploitable, no login, no user action

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

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance23.9% (top 2%)
CISA exploited listNo
WeaknessCWE-200
Published2024-02-27
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: 4.5.5
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.5
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 xe3000 firmware MITIGATE
Affected: 4.4.4
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.4.4
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 x3000 firmware MITIGATE
Affected: 4.4.5
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.4.5
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 mt3000 firmware MITIGATE
Affected: 4.5.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.0
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: 4.5.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.0
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: 4.5.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.5.0
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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

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-2024-27356?

mt6000 firmware: mitigate or apply the listed mitigation; xe3000 firmware: mitigate or apply the listed mitigation; x3000 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-27356 being exploited?

CVE-2024-27356 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-2024-27356 affect?

CVE-2024-27356 affects mt6000 firmware, xe3000 firmware, x3000 firmware. Severity is high (CVSS 7.5). An issue was discovered on certain GL-iNet devices. Attackers can download files such as logs via commands, potentially obtaining critical user information. This affects MT6000 4.5.5, XE3000 4.4.4, X3000 4.4.5, MT3000 4.5.0, MT2500 4.5.0, A

How urgent is CVE-2024-27356?

Priority 61/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

References

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