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2 vulnerabilities found for Connect SDK by Silicon Labs
CVE-2026-66279 (GCVE-0-2026-66279)
Vulnerability from nvd – Published: 2026-10-22 13:41 – Updated: 2026-10-23 10:56
VLAI
EPSS
VEX
Title
Dis-connect vulnerability in Connect Stack
Summary
In Connect SDK 4.3.1 and earlier and Flex SDK 3.7.7 and earlier, a message with invalid security settings may bypass authentication resulting in network disruption. This vulnerability does not allow an attacker to gain the Network Key or otherwise break confidentiality.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 10:49 UTC
CWE
- CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/SiliconLabsSoftware/docs-secur… | vendor-advisorypermissions-required |
| https://github.com/SiliconLabsSoftware/sisdk-release/ | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Silicon Labs | Connect SDK |
Affected:
4.0.0 , ≤ 4.3.1
(semver)
Affected: 0 , ≤ 3.7.7 (semver) |
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CVE-2026-66279 (GCVE-0-2026-66279)
Vulnerability from cvelistv5 – Published: 2026-10-22 13:41 – Updated: 2026-10-23 10:56
VLAI
EPSS
VEX
Title
Dis-connect vulnerability in Connect Stack
Summary
In Connect SDK 4.3.1 and earlier and Flex SDK 3.7.7 and earlier, a message with invalid security settings may bypass authentication resulting in network disruption. This vulnerability does not allow an attacker to gain the Network Key or otherwise break confidentiality.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 10:49 UTC
CWE
- CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/SiliconLabsSoftware/docs-secur… | vendor-advisorypermissions-required |
| https://github.com/SiliconLabsSoftware/sisdk-release/ | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Silicon Labs | Connect SDK |
Affected:
4.0.0 , ≤ 4.3.1
(semver)
Affected: 0 , ≤ 3.7.7 (semver) |
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