CVE-2025-67091: An issue in GL Inet GL.Inet AX1800 Version 4.6.4 & 4.6.8 are vulnerable

This month

MEDIUM 6.5MITIGATE

CVE-2025-67091 is a medium-severity flaw (CVSS 6.5) affecting ax1800 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in GL Inet GL.Inet AX1800 Version 4.6.4 & 4.6.8 are vulnerable. GL.Inet AX1800 Version 4.6.4 & 4.6.8 in the GL.iNet custom opkg wrapper script located at /usr/libexec/opkg-call. The script is executed with root privileges when triggered via the LuCI web interface or authenticated API calls to manage packages. The vulnerable code uses shell redirection to create a lock file in the world-writable /tmp directory.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.3% (top 12%)
CISA exploited list	No
Weakness	CWE-307
Published	2026-01-08
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

2026-01-08 16:15 UTCPublished CVE record published
2026-06-17 09:57 UTCUpdated Record last modified

gl-inet ax1800 firmware MITIGATE

Affected: 4.2.0 · 4.6.4 · 4.6.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.2.0

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.

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-2025-67091?

ax1800 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-67091 being exploited?

CVE-2025-67091 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-2025-67091 affect?

CVE-2025-67091 affects ax1800 firmware. Severity is medium (CVSS 6.5). An issue in GL Inet GL.Inet AX1800 Version 4.6.4 & 4.6.8 are vulnerable. GL.Inet AX1800 Version 4.6.4 & 4.6.8 in the GL.iNet custom opkg wrapper script located at /usr/libexec/opkg-call. The script is executed with root privileges when trig

How urgent is CVE-2025-67091?

Priority 50/100. Public exploit reference

Related CVEs

CVE-2025-66848 CRITICAL 9.8 UPGRADE UPGRADE JD Cloud NAS routers AX1800 (4.3.1.r4308 and earlier), AX3000 (4.3.1.r4318 and earlier), AX6600 (4.5.1.r4533 a
CVE-2025-67090 MEDIUM 5.1 MITIGATE The LuCI web interface on Gl Inet GL.Inet AX1800 Version 4.6.4 & 4.6.8 are vulnerable
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-2024-45261 HIGH 8.0 UPGRADE UPGRADE An issue was discovered on certain GL-iNet devices, including MT6000, MT3000, MT2500, AXT1800, and AX1800 4.6.

References

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