CVE-2025-3546: A vulnerability was found in H3C Magic NX15, Magic NX30 Pro, Magic NX400, Magic R3010 and Magic BE18000 up to

Q: How do I fix CVE-2025-3546?

magic nx15 firmware: upgrade to newer than 100r014; magic nx30 pro firmware: upgrade to newer than 100r014; magic nx400 firmware: upgrade to newer than 100r014. Exact commands for each OS are on this page.

Q: Is CVE-2025-3546 being exploited?

CVE-2025-3546 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-2025-3546 affect?

CVE-2025-3546 affects magic nx15 firmware, magic nx30 pro firmware, magic nx400 firmware. Severity is high (CVSS 8.0). A vulnerability was found in H3C Magic NX15, Magic NX30 Pro, Magic NX400, Magic R3010 and Magic BE18000 up to V100R014. It has been declared as critical. Affected by this vulnerability is the function FCGI_CheckStringIfContainsSemicolon of

This month

HIGH 8.0UPGRADEUPGRADEUPGRADE

CVE-2025-3546 is a high-severity flaw (CVSS 8.0) affecting magic nx15 firmware, magic nx30 pro firmware, magic nx400 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in H3C Magic NX15, Magic NX30 Pro, Magic NX400, Magic R3010 and Magic BE18000 up to V100R014. It has been declared as critical. Affected by this vulnerability is the function FCGI_CheckStringIfContainsSemicolon of the file /api/wizard/getLanguage of the component HTTP POST Request Handler. The manipulation leads to command injection. The attack can only be done within the local network. The exploit has been disclosed to

Why this priority

High severity

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	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-74, CWE-77
Published	2025-04-14
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: h3c

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

Am I affected?

Timeline

2025-04-14 02:15 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

h3c magic nx15 firmware UPGRADE

Affected: <= 100r014

Fixed in: newer than 100r014

Safe to downgrade to: no unaffected older release

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.

h3c magic nx30 pro firmware UPGRADE

Affected: <= 100r014

Fixed in: newer than 100r014

Safe to downgrade to: no unaffected older release

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.

h3c magic nx400 firmware UPGRADE

Affected: <= 100r014

Fixed in: newer than 100r014

Safe to downgrade to: no unaffected older release

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.

h3c magic r3010 firmware UPGRADE

Affected: <= 100r014

Fixed in: newer than 100r014

Safe to downgrade to: no unaffected older release

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.

h3c magic be18000 firmware UPGRADE

Affected: <= 100r014

Fixed in: newer than 100r014

Safe to downgrade to: no unaffected older release

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-2025-3546?

magic nx15 firmware: upgrade to newer than 100r014; magic nx30 pro firmware: upgrade to newer than 100r014; magic nx400 firmware: upgrade to newer than 100r014. Exact commands for each OS are on this page.

Is CVE-2025-3546 being exploited?

CVE-2025-3546 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-2025-3546 affect?

CVE-2025-3546 affects magic nx15 firmware, magic nx30 pro firmware, magic nx400 firmware. Severity is high (CVSS 8.0). A vulnerability was found in H3C Magic NX15, Magic NX30 Pro, Magic NX400, Magic R3010 and Magic BE18000 up to V100R014. It has been declared as critical. Affected by this vulnerability is the function FCGI_CheckStringIfContainsSemicolon of

How urgent is CVE-2025-3546?

Priority 47/100. High severity

Related CVEs

CVE-2025-57295 HIGH 8.0 MITIGATE H3C devices running firmware version NX15V100R015 are vulnerable to unauthorized access due to insecure defaul

References

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