{"id":"CVE-2022-38955","aliases":["EUVD-2022-41502","GHSA-m2rw-gwp5-6wqw"],"status":"published","title":"An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi...","description":"An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00354,"percentile":0.29461,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-354"],"published":"2022-09-20T17:47:27Z","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-2022-38955"},{"url":"https://hackmd.io/@eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s"},{"url":"https://www.netgear.com/about/security"},{"url":"https://github.com/advisories/GHSA-m2rw-gwp5-6wqw"}],"sources":{"cve":[{"id":"CVE-2022-38955","description":"An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.","status":"published","published":"2022-09-20T17:47:27Z","modified":"2025-05-28T16:00:21.807Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-354"],"updated_at":"2026-11-02T14:34:37.272373Z"}],"euvd":[{"id":"EUVD-2022-41502","description":"An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.","status":"published","published":"2022-09-20T17:47:27Z","modified":"2025-05-28T16:00:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:36.96564Z"}],"ghsa":[{"id":"GHSA-m2rw-gwp5-6wqw","title":"An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi...","description":"An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.","status":"published","published":"2022-09-21T00:00:38Z","modified":"2025-05-28T18:34:06Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-354"],"updated_at":"2026-11-02T15:02:28.524565Z"}],"nvd":[{"id":"CVE-2022-38955","description":"An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.","status":"published","published":"2022-09-20T18:15:10.36Z","modified":"2026-06-17T04:57:20.653Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-354"],"updated_at":"2026-11-02T14:07:28.118799Z"}]}}