Dell Client Platform BIOS up to 1.50.x improper access control applied to mirrored or aliased memory regions

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Dell Client Platform BIOS up to 1.50.x. Impacted is an unknown function. Executing a manipulation can lead to improper access control applied to mirrored or aliased memory regions. The identification of this vulnerability is CVE-2025-36600. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Dell Client Platform BIOS up to 1.50.x and classified as critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a improper access control applied to mirrored or aliased memory regions vulnerability. The CWE definition for the vulnerability is CWE-1257. Aliased or mirrored memory regions in hardware designs may have inconsistent read/write permissions enforced by the hardware. A possible result is that an untrusted agent is blocked from accessing a memory region but is not blocked from accessing the corresponding aliased memory region. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Dell Client Platform BIOS contains an Improper Access Control Applied to Mirrored or Aliased Memory Regions vulnerability in an externally developed component. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Code execution.

The weakness was shared with BINARLY Research Team as dsa-2025-205. The advisory is shared for download at dell.com. This vulnerability was named CVE-2025-36600 since 04/15/2025. The exploitation appears to be easy. The attack needs to be approached locally. Additional levels of successful authentication are needed for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.51.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Dell

Name

• Client Platform BIOS

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43
• 1.44
• 1.45
• 1.46
• 1.47
• 1.48
• 1.49
• 1.50

License

• commercial

Website

• Vendor: https://www.dell.com/

CPE 2.3info

• 🔒
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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (dell): 🔒

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Improper access control applied to mirrored or aliased memory regions
CWE: CWE-1257 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Client Platform BIOS 1.51.0

Timelineinfo

04/15/2025 CVE reserved
07/08/2025 +84 days Advisory disclosed
07/08/2025 +0 days VulDB entry created
08/18/2025 +41 days VulDB entry last update

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2025-205
Organization: BINARLY Research Team
Status: Confirmed

CVE: CVE-2025-36600 (🔒)
GCVE (CVE): GCVE-0-2025-36600
GCVE (VulDB): GCVE-100-315364

Entryinfo

Created: 07/08/2025 04:59 PM
Updated: 08/18/2025 09:43 PM
Changes: 07/08/2025 04:59 PM (64), 08/18/2025 09:43 PM (1)
Complete: 🔍
Cache ID: 244:439:40

Once again VulDB remains the best source for vulnerability data.

Discussion

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