CVE-2025-54309

CRITICALNVD 9.09.0—Trending — 4 sources updated this weekExploited in the wild

9.0

CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS, as exploited in the wild in July 2025.

CVSS v3: 9.0
EG Score: 9.0(high)
EPSS: 99.0%
KEV: ⚠ Exploited

Published

July 18, 2025

Last Modified

November 5, 2025

References (6)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-420

Data Freshness Timeline

(refreshed 10× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-01 03:28 UTCEG score recompute
2026-06-01 03:28 UTCGHSA enrichment
2026-05-31 23:24 UTCEG score recompute
2026-05-31 23:24 UTCGHSA enrichment
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 22:21 UTCEG score recompute
2026-05-29 22:21 UTCGHSA enrichment
2026-05-29 22:20 UTCkev_newly_listed
2026-05-29 13:44 UTCepss_batch

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCforegenix/CVE-2025-54309
First seen Sep 3, 2025
Exploitation scripts for the CrushFTP CVE-2025-54309: vulnerability
Open source ↗
GitHub PoCwatchtowrlabs/watchTowr-vs-CrushFTP-Authentication-Bypass-CVE-2025-54309
First seen Aug 25, 2025
Open source ↗

Frequently asked(6)

What is CVE-2025-54309?

CVE-2025-54309 is a critical vulnerability published on July 18, 2025. CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS, as exploited in the wild in July 2025.

When was CVE-2025-54309 disclosed?

CVE-2025-54309 was first published in the National Vulnerability Database on July 18, 2025, with the most recent update on November 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-54309 actively exploited?

Yes. CISA added CVE-2025-54309 to the Known Exploited Vulnerabilities catalog on July 22, 2025, affecting CrushFTP CrushFTP. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2025-54309?

CVE-2025-54309 has a CVSS v3 base score of 9.0 (NVD).

Which products are affected by CVE-2025-54309?

CVE-2025-54309 affects CrushFTP CrushFTP. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2025-54309?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-54309, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-54309

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