Dell Latitude Rugged 7424 up to 1.25.x weak password encoding

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.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Dell Edge Gateway 3000, Edge Gateway 5000, DELL EMBEDDED PC 3000, DELL EMBEDDED PC 5000, Precision 3630 Tower, Precision 3930 Rack, Latitude 7220 Rugged Extreme, Latitude Rugged 5420, Latitude Rugged 5424, Latitude Rugged 7220EX and Latitude Rugged 7424 up to 1.25.x and classified as problematic. Impacted is an unknown function. The manipulation leads to weak password encoding. This vulnerability is traded as CVE-2026-40639. It is possible to launch the attack on the physical device. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Dell Edge Gateway 3000, Edge Gateway 5000, DELL EMBEDDED PC 3000, DELL EMBEDDED PC 5000, Precision 3630 Tower, Precision 3930 Rack, Latitude 7220 Rugged Extreme, Latitude Rugged 5420, Latitude Rugged 5424, Latitude Rugged 7220EX and Latitude Rugged 7424 up to 1.25.x and classified as problematic. This issue affects an unknown part. The manipulation with an unknown input leads to a weak password encoding vulnerability. Using CWE to declare the problem leads to CWE-261. Obscuring a password with a trivial encoding does not protect the password. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges.

The weakness was shared by Darren Mcdonald as dsa-2026-197. The advisory is shared at dell.com. The identification of this vulnerability is CVE-2026-40639 since 04/14/2026. The exploitation is known to be difficult. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

Upgrading to version 1.26.0 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Dell

Name

• DELL EMBEDDED PC 3000
• DELL EMBEDDED PC 5000
• Edge Gateway 3000
• Edge Gateway 5000
• Latitude 7220 Rugged Extreme
• Latitude Rugged 5420
• Latitude Rugged 5424
• Latitude Rugged 7220EX
• Latitude Rugged 7424
• Precision 3630 Tower
• Precision 3930 Rack

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

License

• commercial

Website

• Vendor: https://www.dell.com/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.7
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: Weak password encoding
CWE: CWE-261 / CWE-257 / CWE-255
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Edge Gateway 3000/Edge Gateway 5000/DELL EMBEDDED PC 3000/DELL EMBEDDED PC 5000/Precision 3630 Tower/Precision 3930 Rack/Latitude 7220 Rugged Extreme/Latitude Rugged 5420/Latitude Rugged 5424/Latitude Rugged 7220EX/Latitude Rugged 7424 1.26.0

Timelineinfo

04/14/2026 CVE reserved
06/09/2026 +56 days Advisory disclosed
06/09/2026 +0 days VulDB entry created
06/09/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2026-197
Researcher: Darren Mcdonald
Status: Confirmed

CVE: CVE-2026-40639 (🔒)
GCVE (CVE): GCVE-0-2026-40639
GCVE (VulDB): GCVE-100-369869

Entryinfo

Created: 06/09/2026 21:22
Changes: 06/09/2026 21:22 (64)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

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