CVE-2025-69620: A path traversal in Moo Chan Song v4.5.7 allows attackers to cause a Denial of Service (DoS) via writing files

Routine

MEDIUM 5.0DOWNGRADE

CVE-2025-69620 is a medium-severity flaw (CVSS 5.0) affecting office reader. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A path traversal in Moo Chan Song v4.5.7 allows attackers to cause a Denial of Service (DoS) via writing files to the internal storage.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-02-04
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: ntoolslab

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-04 02:16 UTCPublished CVE record published
2026-07-05 02:17 UTCUpdated Record last modified

ntoolslab office reader DOWNGRADE

Affected: 4.5.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.5.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.5.7 (Debian / Ubuntu)

apt-cache madison office-reader sudo apt install office-reader=<VERSION_BEFORE_4.5.7> sudo apt-mark hold office-reader

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

dnf --showduplicates list office-reader sudo dnf downgrade office-reader-<VERSION_BEFORE_4.5.7> sudo dnf versionlock add office-reader

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-2025-69620?

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

Is CVE-2025-69620 being exploited?

CVE-2025-69620 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-2025-69620 affect?

CVE-2025-69620 affects office reader. Severity is medium (CVSS 5.0). A path traversal in Moo Chan Song v4.5.7 allows attackers to cause a Denial of Service (DoS) via writing files to the internal storage.

How urgent is CVE-2025-69620?

Priority 27/100. Public exploit reference

References

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