Silabs Wi-SUN Stack 2.6.0 authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Silabs Wi-SUN Stack 2.6.0 and classified as critical. Impacted is an unknown function. Such manipulation leads to authentication spoofing. This vulnerability is listed as CVE-2025-7448. The attack must be carried out from within the local network. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Silabs Wi-SUN Stack 2.6.0. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a authentication spoofing vulnerability. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Wi-SUN unexpected 4- Way Handshake packet receptions may lead to predictable keys and potentially leading to Man in the middle (MitM) attack

The advisory is shared for download at docs.silabs.com. This vulnerability is handled as CVE-2025-7448 since 07/11/2025. The exploitation is known to be easy. The attack needs to be initiated within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit 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-2025-29030). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

Support

  • end of life (old version)

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: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
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

07/11/2025 CVE reserved
09/12/2025 +63 days Advisory disclosed
09/12/2025 +0 days VulDB entry created
09/12/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: docs.silabs.com
Status: Confirmed

CVE: CVE-2025-7448 (🔒)
GCVE (CVE): GCVE-0-2025-7448
GCVE (VulDB): GCVE-100-323768
EUVD: 🔒

Entryinfo

Created: 09/12/2025 14:36
Updated: 09/12/2025 21:31
Changes: 09/12/2025 14:36 (64), 09/12/2025 21:31 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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