{"cve":"CVE-2026-9770","nvd":{"published":"2026-07-15T01:17:10.387","modified":"2026-08-06T18:20:49.317","status":"Analyzed","description":"Kasa EC71 v4 and EC70 v4 firmware contains a static cryptographic private key stored in a read-only filesystem\nthat is shared across devices.  An\nattacker with access to the firmware image can extract the embedded key.  \n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow an unauthenticated attacker on the same network to use\nthis key in the web management service, compromising the confidentiality of\nencrypted communications. This may enable passive decryption of traffic or\nactive man-in-the-middle (MITM) attacks","cvss_v4":{"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.6},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.3},"cwes":["CWE-321"],"references":["https://www.tp-link.com/en/support/download/ec70/v4/#Firmware-Release-Notes","https://www.tp-link.com/en/support/download/ec71/v4/#Firmware-Release-Notes","https://www.tp-link.com/us/support/download/ec70/v4/#Firmware-Release-Notes","https://www.tp-link.com/us/support/download/ec71/v4/#Firmware-Release-Notes","https://www.tp-link.com/us/support/faq/5192/"],"products":["tp-link:kasa_ec70_firmware","tp-link:kasa_ec71_firmware"],"source":"nvd","synced_at":"2026-10-19T22:45:36.895656543+00:00"},"epss":{"cve":"CVE-2026-9770","score":0.00312,"percentile":0.24076,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}