CVE-2025-44653: In H3C GR2200 MiniGR1A0V100R016, the USERLIMIT_GLOBAL option is set to 0 in the /etc/bftpd.conf

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HIGH 7.5REMOTEMITIGATE

CVE-2025-44653 is a high-severity flaw (CVSS 7.5) affecting gr2200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In H3C GR2200 MiniGR1A0V100R016, the USERLIMIT_GLOBAL option is set to 0 in the /etc/bftpd.conf. This can cause DoS attacks when unlimited users are connected.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-400
Published	2025-07-21
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: h3c

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-21 17:15 UTCPublished CVE record published
2026-07-05 01:21 UTCUpdated Record last modified

h3c gr2200 firmware MITIGATE

Affected: minigr1a0v100r016

Fixed in: no fixed release known

Safe to downgrade to: a release before minigr1a0v100r016

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-2025-44653?

gr2200 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-44653 being exploited?

CVE-2025-44653 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-2025-44653 affect?

CVE-2025-44653 affects gr2200 firmware. Severity is high (CVSS 7.5). In H3C GR2200 MiniGR1A0V100R016, the USERLIMIT_GLOBAL option is set to 0 in the /etc/bftpd.conf. This can cause DoS attacks when unlimited users are connected.

How urgent is CVE-2025-44653?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

References

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