VDB-325802 · CVE-2025-54520 · EUVD-2025-31074

AMD Kintex 7-Series FPGA/Artix 7-Series FPGA improper protection against voltage and clock glitches

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in AMD Kintex 7-Series FPGA and Artix 7-Series FPGA. This issue affects some unknown processing. Such manipulation leads to improper protection against voltage and clock glitches. This vulnerability is uniquely identified as CVE-2025-54520. The attack can be executed directly on the physical device. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in AMD Kintex 7-Series FPGA and Artix 7-Series FPGA (affected version unknown). Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a improper protection against voltage and clock glitches vulnerability. Using CWE to declare the problem leads to CWE-1247. The device does not contain or contains incorrectly implemented circuitry or sensors to detect and mitigate voltage and clock glitches and protect sensitive information or software contained on the device. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper Protection Against Voltage and Clock Glitches in FPGA devices, could allow an attacker with physical access to undervolt the platform resulting in a loss of confidentiality.

The advisory is available at amd.com. This vulnerability is handled as CVE-2025-54520 since 07/23/2025. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-31074). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.8
VulDB Temp Score: 6.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper protection against voltage and clock glitches
CWE: CWE-1247
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/23/2025 CVE reserved
09/24/2025 +63 days Advisory disclosed
09/24/2025 +0 days VulDB entry created
09/25/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2025-54520 (🔒)
GCVE (CVE): GCVE-0-2025-54520
GCVE (VulDB): GCVE-100-325802
EUVD: 🔒

Entryinfo

Created: 09/24/2025 23:45
Updated: 09/25/2025 06:03
Changes: 09/24/2025 23:45 (62), 09/25/2025 06:03 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.