NVD / CVE Program· CNA CERTVDE

CVE-2025-25269: Local Privilege Escalation via Unauthenticated Command Injection

HighCVSS 8.4 · v3.1—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 33/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 0.29% (FIRST EPSS).
Someone with local access to the system can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
Fixed version: Phoenix Contact CHARX SEC-3000 1.7.3; Phoenix Contact CHARX SEC-3050 1.7.3; Phoenix Contact CHARX SEC-3100 1.7.3.

Low priority for now. Upgrade to Phoenix Contact CHARX SEC-3000 1.7.3; Phoenix Contact CHARX SEC-3050 1.7.3; Phoenix Contact CHARX SEC-3100 1.7.3 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

An unauthenticated local attacker can inject a command that is subsequently executed as root, leading to a privilege escalation.

BDU:2025-10512

Published: Jul 8, 2025
Updated: Jun 17, 2026
EPSS: 0.2% · 22th percentile
CWE: CWE-78

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 33 / 40 · 8.4 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.2%

CISA SSVC decision

Exploitation: none
Automatable: no
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · CERTVDE: 8.4; NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
phoenixcontact	charx sec-3000 firmware	cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware
phoenixcontact	charx sec-3000	cpe:2.3:h:phoenixcontact:charx_sec-3000
phoenixcontact	charx sec-3050 firmware	cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware
phoenixcontact	charx sec-3050	cpe:2.3:h:phoenixcontact:charx_sec-3050
phoenixcontact	charx sec-3100 firmware	cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware
phoenixcontact	charx sec-3100	cpe:2.3:h:phoenixcontact:charx_sec-3100
phoenixcontact	charx sec-3150 firmware	cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware
phoenixcontact	charx sec-3150	cpe:2.3:h:phoenixcontact:charx_sec-3150

Versions reported by the vendor

Affected version ranges reported by the assigning authority (CERTVDE). Independent of NVD's CPE analysis and usually ahead of it.

Phoenix Contact CHARX SEC-3000
- 0.0.0 and later · before 1.7.3affected · semver
Phoenix Contact CHARX SEC-3050
- 0.0.0 and later · before 1.7.3affected · semver
Phoenix Contact CHARX SEC-3100
- 0.0.0 and later · before 1.7.3affected · semver
Phoenix Contact CHARX SEC-3150
- 0.0.0 and later · before 1.7.3affected · semver

Affected versions · NVD (4)

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

phoenixcontact charx sec-3000 firmwarebefore 1.7.3
phoenixcontact charx sec-3050 firmwarebefore 1.7.3
phoenixcontact charx sec-3100 firmwarebefore 1.7.3
phoenixcontact charx sec-3150 firmwarebefore 1.7.3

Same product

phoenixcontact: all records

Other highest-scoring records for the same primary product.

CVE-2025-25270Remote Code Execution via Unauthenticated Configuration Manipulation
39Monitor
CVE-2024-6788Phoenix Contact: update feature from CHARX controller can be used to reset a low privilege user password
39Monitor
CVE-2024-26001PHOENIX CONTACT: Out of bounds write only memory access
39Monitor

Published before and after this one in the same product

← EarlierCVE-2025-24006Jul 8, 2025 · Privilege Escalation via Insecure SSH Permissions
31Monitor
← EarlierCVE-2025-25268Jul 8, 2025 · Unauthenticated Configuration Access via Exposed API Endpoint
35Monitor
Later →CVE-2025-25271Jul 8, 2025 · OCPP Backend Configuration via Insecure Defaults
35Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
Phoenix Contact CHARX SEC-3000	1.7.3	Vendor (CNA)
Phoenix Contact CHARX SEC-3050	1.7.3	Vendor (CNA)
Phoenix Contact CHARX SEC-3100	1.7.3	Vendor (CNA)
Phoenix Contact CHARX SEC-3150	1.7.3	Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

HT3 Labsfinder

Not on record for this CVE: EPSS history · patch commit or PR link · variant or chain candidate · public bounty program.

Technical details

Attack conditions

Someone with local access to the system can trigger it.
No account or password is required.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1const host = req.body.host;
2exec("ping -c 1 " + host, onResult);

Fixed

1const host = req.body.host;
2if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);
3execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

—

Change log (1)

Fix✗ → ✓Sep 28, 2026, 10:11 PM UTC

For records you follow, these changes also arrive as notifications. →

References

certvde.com/de/advisories/VDE-2025-019

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records