How severe is CVE-2025-34046?

CVE-2025-34046 has a CVSS 4.0 base score of 10.0, rated critical severity.

Is CVE-2025-34046 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-34046?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-34046 have an EU (EUVD) identifier?

Yes. CVE-2025-34046 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19208.

When was CVE-2025-34046 published?

CVE-2025-34046 was published on 2025-06-26 and last updated on 2026-06-17.

CVE-2025-34046

CVE-2025-34046 is a critical-severity vulnerability with a CVSS 4.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 4.0 base score 10.0)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19208
Weakness: CWE-434
Published: 2025-06-26
Last modified: 2026-06-17

Description

An unauthenticated file upload vulnerability exists in the Fanwei E-Office <= v9.4 web management interface. The vulnerability affects the /general/index/UploadFile.php endpoint, which improperly validates uploaded files when invoked with certain parameters (uploadType=eoffice_logo or uploadType=theme). An attacker can exploit this flaw by sending a crafted HTTP POST request to upload arbitrary files without requiring authentication. Successful exploitation could enable remote code execution on the affected server, leading to complete compromise of the web application and potentially the underlying system. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-05 UTC.

Frequently asked questions

What is CVE-2025-34046?: An unauthenticated file upload vulnerability exists in the Fanwei E-Office <= v9.4 web management interface. The vulnerability affects the /general/index/UploadFile.php endpoint, which improperly validates uploaded files when invoked with certain parameters (uploadType=eoffice_logo or uploadType=theme). An attacker can exploit this flaw by sending a crafted HTTP POST request to upload arbitrary files without requiring authentication. Successful exploitation could enable remote code execution on the affected server, leading to complete compromise of the web application and potentially the underlying system. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-05 UTC.
How severe is CVE-2025-34046?: CVE-2025-34046 has a CVSS 4.0 base score of 10.0, rated critical severity.
Is CVE-2025-34046 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-34046?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-34046 have an EU (EUVD) identifier?: Yes. CVE-2025-34046 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19208.
When was CVE-2025-34046 published?: CVE-2025-34046 was published on 2025-06-26 and last updated on 2026-06-17.

References

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-75949 — Critical (CVSS 10.0): Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3 -…
CVE-2026-74803 — Critical (CVSS 10.0): Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts…
CVE-2026-66665 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Type Hub <= 2.0.6 versions.
CVE-2026-61900 — Critical (CVSS 10.0): Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-jDownloads < 4.1.6 - The Joomla…
CVE-2026-61424 — Critical (CVSS 10.0): Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-Classifieds < 3.11.2 - The Joomla…
CVE-2026-57719 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in CodeRevolution Aimogen Pro aimogen-pro allows Using…

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