VDB-320171 · CVE-2025-27846 · EUVD-2025-24833

ESPEC North America Web Controller 3 up to 3.3.7 GRUB privileges management

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.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in ESPEC North America Web Controller 3 up to 3.3.7. It has been classified as problematic. Impacted is an unknown function of the component GRUB. The manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2025-27846. It is possible to launch the attack on the physical device. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in ESPEC North America Web Controller 3 up to 3.3.7 and classified as problematic. This issue affects an unknown code block of the component GRUB. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. The impact remains unknown. The summary by CVE is:

In ESPEC North America Web Controller 3 before 3.3.8, an attacker with physical access can gain elevated privileges because GRUB and the BIOS are unprotected.

The identification of this vulnerability is CVE-2025-27846 since 03/09/2025. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 3.3.8 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-24833). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

ESPEC

Name

North America Web Controller 3

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.1
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
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: North America Web Controller 3 3.3.8

Timelineinfo

03/09/2025 CVE reserved
08/14/2025 +157 days Advisory disclosed
08/14/2025 +0 days VulDB entry created
08/16/2025 +2 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CVE: CVE-2025-27846 (🔒)
GCVE (CVE): GCVE-0-2025-27846
GCVE (VulDB): GCVE-100-320171
EUVD: 🔒

Entryinfo

Created: 08/14/2025 17:54
Updated: 08/16/2025 05:50
Changes: 08/14/2025 17:54 (52), 08/15/2025 19:45 (1), 08/16/2025 05:50 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.