182 lines
8.0 KiB
JSON
182 lines
8.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-76651",
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"assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
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"state": "PUBLISHED",
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"assignerShortName": "TPLink",
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"dateReserved": "2026-08-19T15:49:30.548Z",
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"datePublished": "2026-08-28T20:19:09.293Z",
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"dateUpdated": "2026-08-31T18:36:46.288Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
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"shortName": "TPLink",
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"dateUpdated": "2026-08-28T20:19:09.293Z"
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},
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"title": "Pre-Authentication Multipart Boundary Buffer Overflow in HTTP Service in TP-Link TL-WR841N",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-120",
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"description": "CWE-120 Buffer Copy without Checking Size of Input",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-100",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-100 Overflow Buffers"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "TP-Link System Inc.",
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"product": "TL-WR841N v14",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThan": "TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "0",
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"lessThan": "TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "A buffer\noverflow vulnerability exists in the embedded HTTP service in TL-WR841N v14 when processing\nmultipart/form-data requests. Insufficient validation of an attacker-controlled\nboundary parameter may allow a remote unauthenticated attacker to submit a\ncrafted request that corrupts memory by overwriting data beyond the bounds of\nan internal buffer.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may result in modification or corruption of process memory,\npotentially leading to undefined application behavior. Arbitrary code\nexecution, information disclosure, and denial-of-service conditions have not\nbeen demonstrated.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p><span>A buffer\noverflow vulnerability exists in the embedded HTTP service </span><span>in TL-WR841N v14</span><span> </span><span>when processing\nmultipart/form-data requests. Insufficient validation of an attacker-controlled\nboundary parameter may allow a remote unauthenticated attacker to submit a\ncrafted request that corrupts memory by overwriting data beyond the bounds of\nan internal buffer.</span></p><div><p>\n\n</p><p>Successful\nexploitation may result in modification or corruption of process memory,\npotentially leading to undefined application behavior. Arbitrary code\nexecution, information disclosure, and denial-of-service conditions have not\nbeen demonstrated.</p></div>"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://www.tp-link.com/us/support/download/tl-wr841n/v14/#Firmware",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://www.tp-link.com/us/support/faq/5270/",
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"tags": [
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"vendor-advisory"
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "ADJACENT",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "MEDIUM",
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"baseScore": 5.3,
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"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"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Jincheng Wang (@winmt) from Nanjing University of Posts and Telecommunications",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.5"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-31T18:36:33.966883Z",
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"id": "CVE-2026-76651",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-31T18:36:46.288Z"
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}
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}
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]
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}
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} |