Rockwell Automation Micro820/Micro850/Micro870 23.011 IPv6 Stack vulnerable third-party component

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Rockwell Automation Micro820, Micro850 and Micro870 23.011. The impacted element is an unknown function of the component IPv6 Stack. This manipulation causes vulnerable third-party component. This vulnerability is registered as CVE-2025-13823. The attack requires access to the local network. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Rockwell Automation Micro820, Micro850 and Micro870 23.011. Affected by this vulnerability is some unknown processing of the component IPv6 Stack. The manipulation with an unknown input leads to a vulnerable third-party component vulnerability. The CWE definition for the vulnerability is CWE-1395. The product has a dependency on a third-party component that contains one or more known vulnerabilities. As an impact it is known to affect availability. The summary by CVE is:

A security issue was found in the IPv6 stack in the Micro850 and Micro870 controllers when the controllers received multiple malformed packets during fuzzing. The controllers will go into recoverable fault with fault code 0xFE60. To recover the controller, clear the fault.

It is possible to read the advisory at rockwellautomation.com. This vulnerability is known as CVE-2025-13823 since 12/01/2025. The exploitation appears to be easy. Access to the local network is required for this attack to succeed. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-203386). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

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: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Vulnerable third-party component
CWE: CWE-1395
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/01/2025 CVE reserved
12/15/2025 +14 days Advisory disclosed
12/15/2025 +0 days VulDB entry created
12/15/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: rockwellautomation.com
Status: Confirmed

CVE: CVE-2025-13823 (🔒)
GCVE (CVE): GCVE-0-2025-13823
GCVE (VulDB): GCVE-100-336475
EUVD: 🔒

Entryinfo

Created: 12/15/2025 17:17
Updated: 12/15/2025 17:52
Changes: 12/15/2025 17:17 (65), 12/15/2025 17:52 (1)
Complete: 🔍
Cache ID: 216::103

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

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