Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-0715

Severity CVSS v4.0:
HIGH
Type:
CWE-522 Insufficiently Protected Credentials
Publication date:
05/02/2026
Last modified:
18/02/2026

Description

Moxa Arm-based industrial computers running Moxa Industrial Linux Secure use a device-unique bootloader password provided on the device. An attacker with physical access to the device could use this information to access the bootloader menu via a serial interface.  Access to the bootloader menu does not allow full system takeover or privilege escalation. The bootloader enforces digital signature verification and only permits flashing of Moxa-signed images. As a result, an attacker cannot install malicious firmware or execute arbitrary code. The primary impact is limited to a potential temporary denial-of-service condition if a valid image is reflashed. Remote exploitation is not possible.

Impact

Vector 4.0
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 7.00 HIGH
Vector: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
7.00
Severity 4.0
HIGH
Vector 3.x
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
6.80
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:moxa:uc-1222a_firmware:*:*:*:*:*:*:*:* 1.4 (including)
cpe:2.3:h:moxa:uc-1222a:-:*:*:*:*:*:*:*
cpe:2.3:o:moxa:uc-2222a-t-us_firmware:*:*:*:*:*:*:*:* 1.4 (including)
cpe:2.3:h:moxa:uc-2222a-t-us:-:*:*:*:*:*:*:*
cpe:2.3:o:moxa:uc-2222a-t_firmware:*:*:*:*:*:*:*:* 1.4 (including)
cpe:2.3:h:moxa:uc-2222a-t:-:*:*:*:*:*:*:*
cpe:2.3:o:moxa:uc-2222a-t-ap_firmware:*:*:*:*:*:*:*:* 1.4 (including)
cpe:2.3:h:moxa:uc-2222a-t-ap:-:*:*:*:*:*:*:*
cpe:2.3:o:moxa:uc-2222a-t-eu_firmware:*:*:*:*:*:*:*:* 1.4 (including)
cpe:2.3:h:moxa:uc-2222a-t-eu:-:*:*:*:*:*:*:*
cpe:2.3:o:moxa:uc-3434a-t-lte-wifi_firmware:*:*:*:*:*:*:*:* 1.2 (including)
cpe:2.3:h:moxa:uc-3434a-t-lte-wifi:-:*:*:*:*:*:*:*
cpe:2.3:o:moxa:uc-3424a-t-lte_firmware:*:*:*:*:*:*:*:* 1.2 (including)
cpe:2.3:h:moxa:uc-3424a-t-lte:-:*:*:*:*:*:*:*
cpe:2.3:o:moxa:uc-3420a-t-lte_firmware:*:*:*:*:*:*:*:* 1.2 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools