{"id":"CVE-2026-76729","state":"PUBLISHED","title":"Authenticated Format String Vulnerability allows Memory Corruption in HPE Networking Instant ON API Endpoint","description":"A format string vulnerability in the API endpoint of HPE Networking Instant ON APs could allow an authenticated remote attacker with high privileges to cause memory corruption with a modified input. Successful exploitation could allow an attacker to provoke a denial-of-service condition or remote code execution in the affected system function.","publishedAt":"2026-09-29T19:28:45.157Z","updatedAt":"2026-10-01T03:55:37.299Z","severity":{"score":6.6,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"hpe"},"assigner":"hpe","products":["Hewlett Packard Enterprise (HPE) Instant ON"],"affected":[{"vendor":"Hewlett Packard Enterprise (HPE)","product":"Instant ON","defaultStatus":"affected","versions":[{"version":"0.0.0.0","status":"affected","lessThanOrEqual":"3.4.1.0","versionType":"semver"}]}],"references":["https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US"],"weaknesses":["CWE-134"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76729.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76729","state":"PUBLISHED","datePublished":"2026-09-29T19:28:45.157Z","dateUpdated":"2026-10-01T03:55:37.299Z","assignerShortName":"hpe","assignerOrgId":"eb103674-0d28-4225-80f8-39fb86215de0","dateReserved":"2026-08-19T16:13:18.140Z"},"containers":{"cna":{"title":"Authenticated Format String Vulnerability allows Memory Corruption in HPE Networking Instant ON API Endpoint","descriptions":[{"lang":"en","value":"A format string vulnerability in the API endpoint of HPE Networking Instant ON APs could allow an authenticated remote attacker with high privileges to cause memory corruption with a modified input. Successful exploitation could allow an attacker to provoke a denial-of-service condition or remote code execution in the affected system function."}],"affected":[{"vendor":"Hewlett Packard Enterprise (HPE)","product":"Instant ON","defaultStatus":"affected","versions":[{"version":"0.0.0.0","status":"affected","lessThanOrEqual":"3.4.1.0","versionType":"semver"}]}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","baseScore":6.6,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","availabilityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"providerMetadata":{"shortName":"hpe","orgId":"eb103674-0d28-4225-80f8-39fb86215de0","dateUpdated":"2026-09-29T19:28:45.157Z"},"credits":[{"lang":"en","type":"reporter","value":"Internal security research (HPE Networking)."}],"source":{"advisory":"HPESBNW05150","discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-30T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-76729"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-134","type":"CWE","lang":"en","description":"CWE-134 Use of Externally-Controlled Format String"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-01T03:55:37.299Z"}}]}}}