Possible arbitrary code execution

published 2025-11-18 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-197982

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

A low privileged remote attacker can upload a new or overwrite an existing python script by using a path traversal of the target filename in php resulting in a remote code execution.

Patch / fix

fixed in 3

METZ CONNECT Energy-Controlling EWIO2-M 2.2.0
METZ CONNECT Energy-Controlling EWIO2-M-BM 2.2.0
METZ CONNECT Ethernet-IO EWIO2-BM 2.2.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-322-05 updated 2025-11-18 cvss 8.8

METZ CONNECT EWIO2

METZ CONNECT Energy-Controlling Firmware <2.2.0 METZ CONNECT Ethernet-IO Firmware <2.2.0
affected: vendor fix
METZ CONNECT Energy-Controlling Firmware 2.2.0 METZ CONNECT Ethernet-IO Firmware 2.2.0
fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 11 mo ago (2025-11-18)

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

METZ CONNECT Energy-Controlling EWIO2-M
METZ CONNECT Energy-Controlling EWIO2-M-BM
METZ CONNECT Ethernet-IO EWIO2-BM

Classification

Weakness

CWE-35 Path Traversal: '.../...//'
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

certvde.com /de/advisories/VDE-2025-097
vendor-advisory

Sources

CVE List CVE-2025-41736
NVD CVE-2025-41736

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary