CVE-2025-3842: A vulnerability was found in panhainan DS-Java 1.0 and classified as critical

This month

MEDIUM 6.3DOWNGRADE

CVE-2025-3842 is a medium-severity flaw (CVSS 6.3) affecting ds-java. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in panhainan DS-Java 1.0 and classified as critical. This issue affects the function uploadUserPic.action of the file src/com/phn/action/FileUpload.java. The manipulation of the argument fileUpload leads to code injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-74, CWE-94
Published	2025-04-21
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: panhainan

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

Am I affected?

Timeline

2025-04-21 21:15 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

panhainan ds-java DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy ds-java || rpm -q ds-java || ds-java --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison ds-java sudo apt install ds-java=<VERSION_BEFORE_1.0> sudo apt-mark hold ds-java

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ds-java sudo dnf downgrade ds-java-<VERSION_BEFORE_1.0> sudo dnf versionlock add ds-java

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-3842?

ds-java: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-3842 being exploited?

CVE-2025-3842 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-2025-3842 affect?

CVE-2025-3842 affects ds-java. Severity is medium (CVSS 6.3). A vulnerability was found in panhainan DS-Java 1.0 and classified as critical. This issue affects the function uploadUserPic.action of the file src/com/phn/action/FileUpload.java. The manipulation of the argument fileUpload leads to code in

How urgent is CVE-2025-3842?

Priority 40/100. Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2025-3843 MEDIUM 4.3 DOWNGRADE A vulnerability was found in panhainan DS-Java 1.0

References

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