{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14297","assignerOrgId":"30a5e7fb-040d-440a-8cdf-a4a2068ce72e","state":"PUBLISHED","assignerShortName":"YesWeHack","dateReserved":"2026-07-01T09:51:25.497Z","datePublished":"2026-09-07T08:07:08.746Z","dateUpdated":"2026-09-08T15:01:09.643Z"},"containers":{"cna":{"providerMetadata":{"orgId":"30a5e7fb-040d-440a-8cdf-a4a2068ce72e","shortName":"YesWeHack","dateUpdated":"2026-09-07T08:07:08.746Z"},"title":"The Continuous Glucose Monitoring Service's Record Access Control Point (RACP) write handler `memcpy`s the entire attacker-supplied ATT write value into a fixed 20-byte BSS buffer.","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-787","description":"CWE-787 Out-of-bounds write","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]},{"capecId":"CAPEC-540","descriptions":[{"lang":"en","value":"CAPEC-540 Overread Buffers"}]}],"affected":[{"vendor":"Nordic Semiconductor ASA","product":"nRF Connect SDK","versions":[{"status":"affected","version":"2.2.0","lessThanOrEqual":"3.3.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A buffer overflow in the Bluetooth Continuous Glucose\n     Monitoring Service (CGMS) Record Access Control Point (RACP) write handler\n     allows an authenticated BLE peer to overflow a 20-byte static buffer into\n     adjacent BSS memory. The exploitable impact cannot be predetermined - it\n     is entirely dependent on the linker-assigned BSS layout of the specific\n     firmware build, which may vary.","supportingMedia":[{"type":"text/html","base64":false,"value":"<span>A buffer overflow in the Bluetooth Continuous Glucose\n     Monitoring Service (CGMS) Record Access Control Point (RACP) write handler\n     allows an authenticated BLE peer to overflow a 20-byte static buffer into\n     adjacent BSS memory. The exploitable impact cannot be predetermined - it\n     is entirely dependent on the linker-assigned BSS layout of the specific\n     firmware build, which may vary.</span><span></span><br>\n\n<span>\n\n\n\n</span>"}]}],"references":[{"url":"https://docs.nordicsemi.com/r/bundle/struct_sa/page/struct/sa.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","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":"HIGH","baseScore":8.7,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"https://github.com/V33RU","type":"reporter"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T15:00:48.275486Z","id":"CVE-2026-14297","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-08T15:01:09.643Z"}}]}}