CVE-2019-25253: KYOCERA Net Admin 3.4.0906 contains an XML External Entity (XXE) injection vulnerability in the Multi-Set Temp

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2019-25253 is a high-severity flaw (CVSS 7.5) affecting net admin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

KYOCERA Net Admin 3.4.0906 contains an XML External Entity (XXE) injection vulnerability in the Multi-Set Template Editor that allows unauthenticated attackers to read arbitrary system files. Attackers can craft a malicious XML file with external entity references to retrieve sensitive configuration data like database credentials through an out-of-band channel attack.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-611
Published	2025-12-24
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: kyocera

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

Am I affected?

Timeline

2025-12-24 20:15 UTCPublished CVE record published
2026-06-17 02:31 UTCUpdated Record last modified

kyocera net admin DOWNGRADE

Affected: 3.4.0906

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.4.0906

1. Check installed version

apt-cache policy net-admin || rpm -q net-admin || net-admin --version

2. No fixed release: DOWNGRADE to a release before 3.4.0906 (Debian / Ubuntu)

apt-cache madison net-admin sudo apt install net-admin=<VERSION_BEFORE_3.4.0906> sudo apt-mark hold net-admin

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

dnf --showduplicates list net-admin sudo dnf downgrade net-admin-<VERSION_BEFORE_3.4.0906> sudo dnf versionlock add net-admin

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-2019-25253?

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

Is CVE-2019-25253 being exploited?

CVE-2019-25253 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-2019-25253 affect?

CVE-2019-25253 affects net admin. Severity is high (CVSS 7.5). KYOCERA Net Admin 3.4.0906 contains an XML External Entity (XXE) injection vulnerability in the Multi-Set Template Editor that allows unauthenticated attackers to read arbitrary system files. Attackers can craft a malicious XML file with ex

How urgent is CVE-2019-25253?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2019-25254 HIGH 8.8 DOWNGRADE KYOCERA Net Admin 3.4.0906 contains a cross-site request forgery vulnerability that allows attackers to create

References

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