CVE-2025-5877: A vulnerability, which was classified as problematic, has been found in Fengoffice Feng Office 3.2.2.1

Routine

MEDIUM 6.3DOWNGRADE

CVE-2025-5877 is a medium-severity flaw (CVSS 6.3) affecting feng office. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in Fengoffice Feng Office 3.2.2.1. Affected by this issue is some unknown functionality of the file /application/models/ApplicationDataObject.class.php of the component Document Upload Handler. The manipulation leads to xml external entity reference. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early

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	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-610, CWE-611
Published	2025-06-09
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: fengoffice

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

Am I affected?

Timeline

2025-06-09 13:15 UTCPublished CVE record published
2026-06-17 09:48 UTCUpdated Record last modified

fengoffice feng office DOWNGRADE

Affected: 3.2.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.2.1

1. Check installed version

apt-cache policy feng-office || rpm -q feng-office || feng-office --version

2. No fixed release: DOWNGRADE to a release before 3.2.2.1 (Debian / Ubuntu)

apt-cache madison feng-office sudo apt install feng-office=<VERSION_BEFORE_3.2.2.1> sudo apt-mark hold feng-office

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

dnf --showduplicates list feng-office sudo dnf downgrade feng-office-<VERSION_BEFORE_3.2.2.1> sudo dnf versionlock add feng-office

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-2025-5877?

feng office: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-5877 being exploited?

CVE-2025-5877 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-2025-5877 affect?

CVE-2025-5877 affects feng office. Severity is medium (CVSS 6.3). A vulnerability, which was classified as problematic, has been found in Fengoffice Feng Office 3.2.2.1. Affected by this issue is some unknown functionality of the file /application/models/ApplicationDataObject.class.php of the component Do

How urgent is CVE-2025-5877?

Priority 36/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-6039 MEDIUM 6.3 DOWNGRADE A vulnerability, which was classified as critical, was found in Feng Office 3.11.1.2

References

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