How severe is CVE-2025-9409?

CVE-2025-9409 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-9409 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-9409?

CVE-2025-9409 affects Lostvip Ruoyi-go. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-9409?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-9409 have an EU (EUVD) identifier?

Yes. CVE-2025-9409 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25756.

When was CVE-2025-9409 published?

CVE-2025-9409 was published on 2025-08-25 and last updated on 2026-06-17.

CVE-2025-9409

CVE-2025-9409 is a medium-severity vulnerability in Lostvip Ruoyi-go with a CVSS 3.x base score of 4.3. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 2.1
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25756
Weakness: CWE-22
Affected product: Lostvip Ruoyi-go
Published: 2025-08-25
Last modified: 2026-06-17

Description

A security flaw has been discovered in lostvip-com ruoyi-go up to 2.1. Impacted is the function DownloadTmp/DownloadUpload of the file modules/system/controller/CommonController.go. Performing manipulation of the argument fileName results in path traversal. It is possible to initiate the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-9409?: A security flaw has been discovered in lostvip-com ruoyi-go up to 2.1. Impacted is the function DownloadTmp/DownloadUpload of the file modules/system/controller/CommonController.go. Performing manipulation of the argument fileName results in path traversal. It is possible to initiate the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-9409?: CVE-2025-9409 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-9409 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-9409?: CVE-2025-9409 affects Lostvip Ruoyi-go. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-9409?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-9409 have an EU (EUVD) identifier?: Yes. CVE-2025-9409 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25756.
When was CVE-2025-9409 published?: CVE-2025-9409 was published on 2025-08-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lostvip:ruoyi-go:*:*:*:*:*:*:*:*

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