CVE-2024-45261: An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.

Q: How do I fix CVE-2024-45261?

mt2500 firmware: upgrade to 4.6.4; axt1800 firmware: upgrade to 4.6.4; ax1800 firmware: upgrade to 4.6.4. Exact commands for each OS are on this page.

Q: Is CVE-2024-45261 being exploited?

CVE-2024-45261 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-45261 affect?

CVE-2024-45261 affects mt2500 firmware, axt1800 firmware, ax1800 firmware. Severity is high (CVSS 8.0). An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.2. The SID generated for a specific user is not tied to that user itself, which allows other users to potentially use it for authe

Q: How urgent is CVE-2024-45261?

Priority 44/100. High severity; Public exploit reference

This month

HIGH 8.0UPGRADEUPGRADEUPGRADE

CVE-2024-45261 is a high-severity flaw (CVSS 8.0) affecting mt2500 firmware, axt1800 firmware, ax1800 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, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.2. The SID generated for a specific user is not tied to that user itself, which allows other users to potentially use it for authentication. Once an attacker bypasses the application's authentication procedures, they can generate a valid SID, escalate privileges, and gain full control.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.0 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-863
Published	2024-10-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: gl-inet

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

Am I affected?

Timeline

2024-10-24 21:15 UTCPublished CVE record published
2026-06-17 07:53 UTCUpdated Record last modified

gl-inet mt2500 firmware UPGRADE

Affected: >= 4.6.2 and < 4.6.4

Fixed in: 4.6.4

Safe to downgrade to: a release before 4.6.2

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 UPGRADE

Affected: >= 4.6.2 and < 4.6.4

Fixed in: 4.6.4

Safe to downgrade to: a release before 4.6.2

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 UPGRADE

Affected: >= 4.6.2 and < 4.6.4

Fixed in: 4.6.4

Safe to downgrade to: a release before 4.6.2

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 b3000 firmware MITIGATE

Affected: 4.5.18

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.5.18

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: 4.5.17

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.5.17

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: 4.5.17

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.5.17

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-2024-45261?

mt2500 firmware: upgrade to 4.6.4; axt1800 firmware: upgrade to 4.6.4; ax1800 firmware: upgrade to 4.6.4. Exact commands for each OS are on this page.

Is CVE-2024-45261 being exploited?

CVE-2024-45261 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-2024-45261 affect?

CVE-2024-45261 affects mt2500 firmware, axt1800 firmware, ax1800 firmware. Severity is high (CVSS 8.0). An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.2. The SID generated for a specific user is not tied to that user itself, which allows other users to potentially use it for authe

How urgent is CVE-2024-45261?

Priority 44/100. High severity; Public exploit reference

Related CVEs

CVE-2024-45263 HIGH 8.8 MITIGATE UPGRADE An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.
CVE-2024-45262 HIGH 8.8 UPGRADE UPGRADE An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.
CVE-2024-45260 HIGH 8.0 MITIGATE MITIGATE An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.
CVE-2024-45259 MEDIUM 6.5 MITIGATE UPGRADE An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.
CVE-2024-39229 MEDIUM 5.3 MITIGATE MITIGATE An issue in GL-iNet products AR750/AR750S/AR300M/AR300M16/MT300N-V2/B1300/MT1300/SFT1200/X750 v4.3.11, MT3000/

References

← Back to latest CVEs