Silicon Labs WiseConnect up to 2.13.x/4.0.x inadequate encryption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.0 | $0-$5k | 0.52 |
Summary
A vulnerability marked as problematic has been reported in Silicon Labs WiseConnect up to 2.13.x/4.0.x. Affected is an unknown function. This manipulation causes inadequate encryption. This vulnerability is registered as CVE-2026-19293. Remote exploitation of the attack is possible. No exploit is available.
Details
A vulnerability classified as problematic was found in Silicon Labs WiseConnect up to 2.13.x/4.0.x. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a inadequate encryption vulnerability. The CWE definition for the vulnerability is CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. As an impact it is known to affect confidentiality. The summary by CVE is:
SMP security request (from peripheral) does not include the maximum encryption key size supported. Using a key with less than the maximum keysize makes brute-forcing the key easier. See V6 in BLERP paper linked below.
It is possible to read the advisory at docs.silabs.com. This vulnerability is known as CVE-2026-19293 since 08/07/2026. The exploitation appears to be difficult. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.
Upgrading to version 2.14.0 or 4.1.0 eliminates this vulnerability.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.1VulDB Meta Temp Score: 3.0
VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Inadequate encryptionCWE: CWE-326 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: WiseConnect 2.14.0/4.1.0
Timeline
08/07/2026 CVE reserved08/13/2026 Advisory disclosed
08/13/2026 VulDB entry created
08/13/2026 VulDB entry last update
Sources
Advisory: docs.silabs.comStatus: Confirmed
CVE: CVE-2026-19293 (🔒)
GCVE (CVE): GCVE-0-2026-19293
GCVE (VulDB): GCVE-100-389575
Entry
Created: 08/13/2026 17:29Changes: 08/13/2026 17:29 (53)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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