CVE-2025-15645

Published: Mag 20, 2026 Last Modified: Mag 20, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,1
Source: [email protected]
Attack Vector: physical
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 4,6
Source: [email protected]
Attack Vector: physical
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

Ledger Nano X, Flex, and Stax devices contain a denial of service vulnerability in the MCU firmware update process due to missing validation of the reset_handler parameter during firmware flashing. An attacker can provide a crafted reset_handler address pointing to invalid memory or attacker-controlled code to cause the device to enter an unrecoverable fault state during boot, resulting in permanent loss of operability.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0002
Percentile
0,1th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

1284

Improper Validation of Specified Quantity in Input

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Other Integrity Availability
Potential Impacts:
Varies By Context Dos: Resource Consumption (Cpu) Modify Memory Read Memory
Applicable Platforms
All platforms may be affected
View CWE Details
https://donjon.ledger.com/lsb/021/
https://donjon.ledger.com/lsb/021/
https://www.vulncheck.com/advisories/ledger-nano-x-flex-sta…
https://www.vulncheck.com/advisories/ledger-nano-x-flex-stax-mcu-firmware-updat…