VDB-339945 · CVE-2025-64305 · icsa-26-006-01

Columbia Weather Systems MicroServer prior MS_4.1_14142 SD Card cleartext storage in file

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Columbia Weather Systems MicroServer. Affected by this issue is some unknown functionality of the component SD Card Handler. Performing a manipulation results in cleartext storage in file. This vulnerability is known as CVE-2025-64305. Access to the local network is required for this attack. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Columbia Weather Systems MicroServer. It has been classified as problematic. This affects an unknown code of the component SD Card Handler. The manipulation with an unknown input leads to a cleartext storage in file vulnerability. CWE is classifying the issue as CWE-313. The product stores sensitive information in cleartext in a file, or on disk. This is going to have an impact on confidentiality. The summary by CVE is:

MicroServer copies parts of the system firmware to an unencrypted external SD card on boot, which contains user and vendor secrets. An attacker can utilize these plaintext secrets to modify the vendor firmware, or gain admin access to the web portal.

The advisory is shared at cisa.gov. This vulnerability is uniquely identified as CVE-2025-64305 since 12/08/2025. The exploitability is told to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1555 for this issue.

Upgrading to version MS_4.1_14142 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Columbia Weather Systems

Name

MicroServer

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

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

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (icscert): 🔒

CVSSv2info

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

Exploitinginfo

Class: Cleartext storage in file
CWE: CWE-313 / CWE-312 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

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: MicroServer MS_4.1_14142

Timelineinfo

12/08/2025 CVE reserved
01/07/2026 +30 days Advisory disclosed
01/07/2026 +0 days VulDB entry created
01/07/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: icsa-26-006-01
Status: Confirmed

CVE: CVE-2025-64305 (🔒)
GCVE (CVE): GCVE-0-2025-64305
GCVE (VulDB): GCVE-100-339945

Entryinfo

Created: 01/07/2026 22:25
Changes: 01/07/2026 22:25 (75)
Complete: 🔍
Cache ID: 216::103