{"id":"CVE-2026-111548","state":"PUBLISHED","title":"A stack-based buffer overflow vulnerability exists in the web management interface of affected Moxa wireless device servers. An authenticated remote attacker with low privileges co","description":"A stack-based buffer overflow vulnerability exists in the web management interface of affected Moxa wireless device servers. An authenticated remote attacker with low privileges could exploit insufficient bounds checking of user-supplied input, causing the web management service to become unresponsive. Restoring the service requires power cycling the affected device, while other device functions remain operational.","publishedAt":"2026-10-27T10:17:26.193Z","updatedAt":"2026-10-27T10:17:26.193Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","source":"Moxa"},"assigner":"Moxa","products":["Moxa NPort W2150A-W4/W2250A-W4 Series"],"affected":[{"vendor":"Moxa","product":"NPort W2150A-W4/W2250A-W4 Series","defaultStatus":"unaffected","versions":[{"version":"1.0","status":"affected","lessThanOrEqual":"1.5","versionType":"custom"}]}],"references":["https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261250-cve-2026-111548-stack-buffer-overflow-vulnerability-in-wireless-device-servers"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/111xxx/CVE-2026-111548.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111548","state":"PUBLISHED","datePublished":"2026-10-27T10:17:26.193Z","dateUpdated":"2026-10-27T10:17:26.193Z","assignerShortName":"Moxa","assignerOrgId":"2e0a0ee2-d866-482a-9f5e-ac03d156dbaa","dateReserved":"2026-10-16T10:17:20.506Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A stack-based buffer overflow vulnerability exists in the web management interface of affected Moxa wireless device servers. An authenticated remote attacker with low privileges could exploit insufficient bounds checking of user-supplied input, causing the web management service to become unresponsive. Restoring the service requires power cycling the affected device, while other device functions remain operational."}],"affected":[{"vendor":"Moxa","product":"NPort W2150A-W4/W2250A-W4 Series","defaultStatus":"unaffected","versions":[{"version":"1.0","status":"affected","lessThanOrEqual":"1.5","versionType":"custom"}]}],"references":[{"url":"https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261250-cve-2026-111548-stack-buffer-overflow-vulnerability-in-wireless-device-servers","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","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:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","lang":"en","description":"CWE-121: Stack-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"Moxa","orgId":"2e0a0ee2-d866-482a-9f5e-ac03d156dbaa","dateUpdated":"2026-10-27T10:17:26.193Z"},"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100: Overflow Buffers"}]}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:moxa:nport_w2150a-w4_w2250a-w4_series:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0","versionEndIncluding":"1.5"}]}]}],"solutions":[{"lang":"en","value":"Please refer to Moxa's security advisory: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261250-cve-2026-111548-stack-buffer-overflow-vulnerability-in-wireless-device-servers","supportingMedia":[{"type":"text/html","base64":false,"value":"Please refer to Moxa's security advisory:&nbsp;https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261250-cve-2026-111548-stack-buffer-overflow-vulnerability-in-wireless-device-servers&nbsp;"}]}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}}