Files
vuln-cve/data/2025/14xxx/CVE-2025-14859.json
T

227 lines
9.5 KiB
JSON

{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-14859",
"assignerOrgId": "747bec18-acd0-4d99-a5c8-5e366c66ab7e",
"state": "PUBLISHED",
"assignerShortName": "SWI",
"dateReserved": "2025-12-18T00:09:40.606Z",
"datePublished": "2026-04-07T19:58:41.379Z",
"dateUpdated": "2026-04-07T20:42:41.142Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "747bec18-acd0-4d99-a5c8-5e366c66ab7e",
"shortName": "SWI",
"dateUpdated": "2026-04-07T19:58:41.379Z"
},
"title": "Semtech LR11xx Secure Boot Bypass",
"datePublic": "2026-04-06T18:07:00.000Z",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-327",
"description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
"type": "CWE"
}
]
}
],
"impacts": [
{
"capecId": "CAPEC-68",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-68 Subvert Code-signing"
}
]
}
],
"affected": [
{
"vendor": "Semtech",
"product": "LR1110",
"modules": [
"firmware"
],
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "BL2 FW 0x1001",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Semtech",
"product": "LR1120",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "BL2 FW 0x2001",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Semtech",
"product": "LR1121",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "BL2 FW 0x2101",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:semtech:lr1110:*:*:*:*:*:*:*:*",
"versionEndExcluding": "bl2_fw_0x1001",
"versionStartIncluding": "0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:semtech:lr1120:*:*:*:*:*:*:*:*",
"versionEndExcluding": "bl2_fw_0x2001",
"versionStartIncluding": "0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:semtech:lr1121:*:*:*:*:*:*:*:*",
"versionEndExcluding": "bl2_fw_0x2101",
"versionStartIncluding": "0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Semtech LR11xx LoRa transceivers implement secure boot functionality using digital signatures to authenticate firmware. However, the implementation uses a non-standard cryptographic hashing algorithm that is vulnerable to second preimage attacks. An attacker with physical access to the device can exploit this weakness to generate a malicious firmware image with a hash collision, bypassing the secure boot verification mechanism and installing arbitrary unauthorized firmware on the device.",
"supportingMedia": [
{
"type": "text/html",
"base64": false,
"value": "The Semtech LR11xx LoRa transceivers implement secure boot functionality using digital signatures to authenticate firmware. However, the implementation uses a non-standard cryptographic hashing algorithm that is vulnerable to second preimage attacks. An attacker with physical access to the device can exploit this weakness to generate a malicious firmware image with a hash collision, bypassing the secure boot verification mechanism and installing arbitrary unauthorized firmware on the device.\n\n<br>"
}
]
}
],
"references": [
{
"url": "https://www.semtech.com/company/security/security-bulletins/sem-psa-2026-001"
}
],
"metrics": [
{
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
],
"cvssV4_0": {
"attackVector": "PHYSICAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"subConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "HIGH",
"subIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "HIGH",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NO",
"Recovery": "IRRECOVERABLE",
"valueDensity": "CONCENTRATED",
"vulnerabilityResponseEffort": "MODERATE",
"providerUrgency": "NOT_DEFINED",
"version": "4.0",
"baseSeverity": "HIGH",
"baseScore": 7,
"vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/AU:N/R:I/V:C/RE:M"
}
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2025-14859",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-04-07T20:31:39.343091Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-04-07T20:42:41.142Z"
}
}
]
}
}