CVE-2018-25146: Microhard Systems IPn4G 1.1.0 contains an undocumented vulnerability that allows authenticated attackers to li

This month

HIGH 8.1MITIGATEMITIGATEMITIGATE

CVE-2018-25146 is a high-severity flaw (CVSS 8.1) affecting ipn4g firmware, ipn3gb firmware, ipn4gb firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Microhard Systems IPn4G 1.1.0 contains an undocumented vulnerability that allows authenticated attackers to list and manipulate running system processes. Attackers can send arbitrary signals to kill background processes and system services through a hidden feature, potentially causing service disruption and requiring device restart.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-863
Published	2025-12-24
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: microhardcorp

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

Am I affected?

Timeline

2025-12-24 20:15 UTCPublished CVE record published
2026-06-17 01:54 UTCUpdated Record last modified

microhardcorp ipn4g firmware MITIGATE

Affected: 1.1.0 build1098

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

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.

microhardcorp ipn3gb firmware MITIGATE

Affected: 2.2.0 build2160

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.0

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.

microhardcorp ipn4gb firmware MITIGATE

Affected: 1.1.6 build1184-14 · 1.1.0 rev2_build1090-2 · 1.1.0 rev2_build1086

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

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.

microhardcorp bullet-3g firmware MITIGATE

Affected: 1.2.0 reva_build1032 · 1.2.0 build1076

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.0

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.

microhardcorp vip4gb firmware MITIGATE

Affected: 1.1.6 build_1204 · 1.1.6 rev3_build1184-14

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.6

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.

microhardcorp vip4gb wifi-n firmware MITIGATE

Affected: 1.1.6 rev2_build1196

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.6

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-2018-25146?

ipn4g firmware: mitigate or apply the listed mitigation; ipn3gb firmware: mitigate or apply the listed mitigation; ipn4gb firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-25146 being exploited?

CVE-2018-25146 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-2018-25146 affect?

CVE-2018-25146 affects ipn4g firmware, ipn3gb firmware, ipn4gb firmware. Severity is high (CVSS 8.1). Microhard Systems IPn4G 1.1.0 contains an undocumented vulnerability that allows authenticated attackers to list and manipulate running system processes. Attackers can send arbitrary signals to kill background processes and system services

How urgent is CVE-2018-25146?

Priority 44/100. High severity; Public exploit reference

Software pages

Wi-Fi vulnerabilities

Related CVEs

CVE-2018-25149 MEDIUM 6.5 MITIGATE MITIGATE Microhard Systems IPn4G 1.1.0 contains a cross-site request forgery vulnerability that allows attackers to per
CVE-2018-25148 HIGH 8.8 MITIGATE MITIGATE Microhard Systems IPn4G 1.1.0 contains multiple authenticated remote code execution vulnerabilities in the adm
CVE-2018-25147 HIGH 7.5 MITIGATE MITIGATE Microhard Systems IPn4G 1.1.0 contains hardcoded default credentials that cannot be changed through normal gat
CVE-2018-25145 MEDIUM 6.5 MITIGATE MITIGATE Microhard Systems IPn4G 1.1.0 contains a configuration file disclosure vulnerability that allows authenticated
CVE-2018-25144 HIGH 8.4 MITIGATE MITIGATE Microhard Systems IPn4G 1.1.0 contains an authentication bypass vulnerability in the hidden system-editor.sh s

References

← Back to latest CVEs