{"id":"CVE-2022-38956","aliases":["EUVD-2022-41503","GHSA-qrm9-295f-xg65"],"status":"published","title":"An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi...","description":"An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to replace the user-uploaded firmware image with an original old firmware image. This affects Firmware 1.1.1_1.1.9 and earlier.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00285,"percentile":0.21245,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-354"],"published":"2022-09-20T17:46:22Z","modified":"2026-06-17T04:57:20Z","products":[{"vendor":"netgear","product":"wpn824ext_firmware"}],"references":[{"url":"https://www.netgear.com/about/security/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://hackmd.io/%40eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-38956"},{"url":"https://hackmd.io/@eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s"},{"url":"https://www.netgear.com/about/security"},{"url":"https://github.com/advisories/GHSA-qrm9-295f-xg65"}],"sources":{"cve":[{"id":"CVE-2022-38956","description":"An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to replace the user-uploaded firmware image with an original old firmware image. This affects Firmware 1.1.1_1.1.9 and earlier.","status":"published","published":"2022-09-20T17:46:22Z","modified":"2025-05-28T16:11:50.577Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-354"],"updated_at":"2026-11-02T14:34:37.272373Z"}],"euvd":[{"id":"EUVD-2022-41503","description":"An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to replace the user-uploaded firmware image with an original old firmware image. This affects Firmware 1.1.1_1.1.9 and earlier.","status":"published","published":"2022-09-20T17:46:22Z","modified":"2025-05-28T16:11:50Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T20:32:36.96564Z"}],"ghsa":[{"id":"GHSA-qrm9-295f-xg65","title":"An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi...","description":"An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to replace the user-uploaded firmware image with an original old firmware image. This affects Firmware 1.1.1_1.1.9 and earlier.","status":"published","published":"2022-09-21T00:00:38Z","modified":"2025-05-28T18:34:05Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-354"],"updated_at":"2026-11-02T15:02:28.524565Z"}],"nvd":[{"id":"CVE-2022-38956","description":"An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to replace the user-uploaded firmware image with an original old firmware image. This affects Firmware 1.1.1_1.1.9 and earlier.","status":"published","published":"2022-09-20T18:15:10.403Z","modified":"2026-06-17T04:57:20.813Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-354"],"updated_at":"2026-11-02T14:07:28.118799Z"}]}}