VDB-307686 · CVE-2025-4043 · icsa-25-126-02

Milesight UG65-868M-EA prior 60.0.0.46 System Boot /etc/rc.local improper access control for volatile memory containing boot code

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 categorized as problematic has been discovered in Milesight UG65-868M-EA. Impacted is an unknown function of the file /etc/rc.local of the component System Boot Handler. The manipulation results in improper access control for volatile memory containing boot code. This vulnerability is identified as CVE-2025-4043. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Milesight UG65-868M-EA. Affected is an unknown functionality of the file /etc/rc.local of the component System Boot Handler. The manipulation with an unknown input leads to a improper access control for volatile memory containing boot code vulnerability. CWE is classifying the issue as CWE-1274. The product conducts a secure-boot process that transfers bootloader code from Non-Volatile Memory (NVM) into Volatile Memory (VM), but it does not have sufficient access control or other protections for the Volatile Memory. This is going to have an impact on integrity. CVE summarizes:

An admin user can gain unauthorized write access to the /etc/rc.local file on the device, which is executed on a system boot.

The advisory is available at cisa.gov. This vulnerability is traded as CVE-2025-4043. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation needs additional levels of successful authentication. Technical details are known, but there is no available exploit.

Upgrading to version 60.0.0.46 eliminates this vulnerability.

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Productinfo

Vendor

Milesight

Name

UG65-868M-EA

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: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector: 🔍

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: Improper access control for volatile memory containing boot code
CWE: CWE-1274 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: UG65-868M-EA 60.0.0.46

Timelineinfo

05/07/2025 🔍
05/07/2025 +0 days 🔍
06/23/2025 +47 days 🔍

Sourcesinfo

Advisory: icsa-25-126-02
Status: Confirmed

CVE: CVE-2025-4043 (🔍)
GCVE (CVE): GCVE-0-2025-4043
GCVE (VulDB): GCVE-100-307686

Entryinfo

Created: 05/07/2025 07:25
Updated: 06/23/2025 17:47
Changes: 05/07/2025 07:25 (52), 06/23/2025 17:47 (25)
Complete: 🔍
Cache ID: 216::103