CVE-2026-65936 (GCVE-0-2026-65936)
Vulnerability from cvelistv5 – Published: 2026-08-13 14:26 – Updated: 2026-08-13 16:08
VLAI
EPSS
VEX
Title
RS9116W/SiWx917 malformed packet with increased length field causes memory leak
Summary
A malformed Bluetooth connection request message can cause the RS9116W/SiWx917 to leak potentially sensitive information.
See vulnerability B-E4 in the related paper below.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 16:08 UTC
CWE
- CWE-126 - Buffer over-read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://community.silabs.com/068Vm00000x0Yqy | vendor-advisorypermissions-required |
| https://arxiv.org/pdf/2409.02905 | related |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| silabs.com | WiseConnect |
Affected:
2.0.0 , ≤ 2.*.*
(semver)
Affected: 4.0.0 , ≤ 4.*.* (semver) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-65936",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-13T16:08:02.259909Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-13T16:08:41.106Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageName": "SiSDK",
"product": "WiseConnect",
"vendor": "silabs.com",
"versions": [
{
"lessThanOrEqual": "2.*.*",
"status": "affected",
"version": "2.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.*.*",
"status": "affected",
"version": "4.0.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "A malformed Bluetooth connection request message can cause the RS9116W/SiWx917 to leak potentially sensitive information.\u0026nbsp;\nSee vulnerability B-E4 in the related paper below."
}
],
"value": "A malformed Bluetooth connection request message can cause the RS9116W/SiWx917 to leak potentially sensitive information.\u00a0\nSee vulnerability B-E4 in the related paper below."
}
],
"impacts": [
{
"capecId": "CAPEC-123",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-123 Buffer Manipulation"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "ADJACENT",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-126",
"description": "CWE-126 Buffer over-read",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-13T14:26:23.055Z",
"orgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
"shortName": "Silabs"
},
"references": [
{
"tags": [
"vendor-advisory",
"permissions-required"
],
"url": "https://community.silabs.com/068Vm00000x0Yqy"
},
{
"tags": [
"related"
],
"url": "https://arxiv.org/pdf/2409.02905"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "RS9116W/SiWx917 malformed packet with increased length field causes memory leak",
"x_generator": {
"engine": "Vulnogram 1.0.4"
}
}
},
"cveMetadata": {
"assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
"assignerShortName": "Silabs",
"cveId": "CVE-2026-65936",
"datePublished": "2026-08-13T14:26:23.055Z",
"dateReserved": "2026-07-23T15:47:23.377Z",
"dateUpdated": "2026-08-13T16:08:41.106Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-65936",
"date": "2026-08-15",
"epss": "0.00178",
"percentile": "0.07608"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-65936\",\"sourceIdentifier\":\"product-security@silabs.com\",\"published\":\"2026-08-13T15:19:56.423\",\"lastModified\":\"2026-08-13T16:18:41.690\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A malformed Bluetooth connection request message can cause the RS9116W/SiWx917 to leak potentially sensitive information.\u00a0\\nSee vulnerability B-E4 in the related paper below.\"}],\"affected\":[{\"source\":\"product-security@silabs.com\",\"affectedData\":[{\"vendor\":\"silabs.com\",\"product\":\"WiseConnect\",\"defaultStatus\":\"unaffected\",\"packageName\":\"SiSDK\",\"versions\":[{\"version\":\"2.0.0\",\"lessThanOrEqual\":\"2.*.*\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.0.0\",\"lessThanOrEqual\":\"4.*.*\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"product-security@silabs.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-08-13T16:08:02.259909Z\",\"id\":\"CVE-2026-65936\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"product-security@silabs.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-126\"}]}],\"references\":[{\"url\":\"https://arxiv.org/pdf/2409.02905\",\"source\":\"product-security@silabs.com\"},{\"url\":\"https://community.silabs.com/068Vm00000x0Yqy\",\"source\":\"product-security@silabs.com\"}]}}",
"vulnrichment": {
"containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"030b2754-1501-44a4-bef8-48be86a33bf4\", \"shortName\": \"Silabs\", \"dateUpdated\": \"2026-08-13T14:26:23.055Z\"}, \"title\": \"RS9116W/SiWx917 malformed packet with increased length field causes memory leak\", \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"cweId\": \"CWE-126\", \"description\": \"CWE-126 Buffer over-read\", \"type\": \"CWE\"}]}], \"impacts\": [{\"capecId\": \"CAPEC-123\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-123 Buffer Manipulation\"}]}], \"affected\": [{\"vendor\": \"silabs.com\", \"product\": \"WiseConnect\", \"packageName\": \"SiSDK\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.0.0\", \"lessThanOrEqual\": \"2.*.*\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"4.0.0\", \"lessThanOrEqual\": \"4.*.*\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A malformed Bluetooth connection request message can cause the RS9116W/SiWx917 to leak potentially sensitive information.\\u00a0\\nSee vulnerability B-E4 in the related paper below.\", \"supportingMedia\": [{\"type\": \"text/html\", \"base64\": false, \"value\": \"A malformed Bluetooth connection request message can cause the RS9116W/SiWx917 to leak potentially sensitive information.\u0026nbsp;\\nSee vulnerability B-E4 in the related paper below.\"}]}], \"references\": [{\"url\": \"https://community.silabs.com/068Vm00000x0Yqy\", \"tags\": [\"vendor-advisory\", \"permissions-required\"]}, {\"url\": \"https://arxiv.org/pdf/2409.02905\", \"tags\": [\"related\"]}], \"metrics\": [{\"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}], \"cvssV4_0\": {\"attackVector\": \"ADJACENT\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"LOW\", \"subIntegrityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"exploitMaturity\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"valueDensity\": \"NOT_DEFINED\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"version\": \"4.0\", \"baseSeverity\": \"MEDIUM\", \"baseScore\": 5.3, \"vectorString\": \"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N\"}}], \"source\": {\"discovery\": \"UNKNOWN\"}, \"x_generator\": {\"engine\": \"Vulnogram 1.0.4\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-65936\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-13T16:08:02.259909Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-13T16:08:10.000Z\"}}]}",
"cveMetadata": "{\"cveId\": \"CVE-2026-65936\", \"assignerOrgId\": \"030b2754-1501-44a4-bef8-48be86a33bf4\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Silabs\", \"dateReserved\": \"2026-07-23T15:47:23.377Z\", \"datePublished\": \"2026-08-13T14:26:23.055Z\", \"dateUpdated\": \"2026-08-13T16:08:41.106Z\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Loading…
Loading…