{"id":"CVE-2026-19348","aliases":["EUVD-2026-54917","GHSA-5x4f-6m9q-mg75"],"status":"published","title":"Shenzhen Aitemi M300 Wi-Fi Repeater protocol.csp sprintf command injection","description":"A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net\u0026opt=smacfilter_conf\u0026function=set\u0026act=add\u0026name=test\u0026enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.03568,"percentile":0.89455,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-74","CWE-77"],"published":"2026-08-09T10:30:09Z","modified":"2026-10-23T20:10:00Z","products":[{"vendor":"shenzhen aitemi","product":"m300 wi-fi repeater"},{"vendor":"shenzhen aitemi e commerce co. ltd.","product":"m300 wi-fi repeater"}],"references":[{"url":"https://vuldb.com/vuln/387184","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/387184/cti","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-19348","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/865682","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/865683","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/865684","tags":["third-party-advisory"]},{"url":"https://github.com/IEATASICS/m300-repeater-bugs","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19348"},{"url":"https://github.com/advisories/GHSA-5x4f-6m9q-mg75"}],"sources":{"cve":[{"id":"CVE-2026-19348","title":"Shenzhen Aitemi M300 Wi-Fi Repeater protocol.csp sprintf command injection","description":"A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net\u0026opt=smacfilter_conf\u0026function=set\u0026act=add\u0026name=test\u0026enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.","status":"published","published":"2026-08-09T10:30:09.153Z","modified":"2026-08-10T21:12:19.495Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"critical","assessor":"cna"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"critical","assessor":"cna"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-77","CWE-74"],"updated_at":"2026-11-02T13:47:17.512524Z"}],"euvd":[{"id":"EUVD-2026-54917","description":"A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net\u0026opt=smacfilter_conf\u0026function=set\u0026act=add\u0026name=test\u0026enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.","status":"published","published":"2026-08-09T10:30:09Z","modified":"2026-08-10T21:12:19Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","level":"critical"}],"updated_at":"2026-11-02T18:02:00.742322Z"}],"ghsa":[{"id":"GHSA-5x4f-6m9q-mg75","title":"A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted...","description":"A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net\u0026opt=smacfilter_conf\u0026function=set\u0026act=add\u0026name=test\u0026enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.","status":"published","published":"2026-08-09T12:32:46Z","modified":"2026-08-09T12:32:52Z","cvss":[{"version":"4.0","score":8.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:10:12.952898Z"}],"nvd":[{"id":"CVE-2026-19348","description":"A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net\u0026opt=smacfilter_conf\u0026function=set\u0026act=add\u0026name=test\u0026enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.","status":"published","published":"2026-08-09T11:16:52.743Z","modified":"2026-10-23T20:10:00.16Z","cvss":[{"version":"4.0","score":8.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"secondary"}],"cwes":["CWE-74","CWE-77"],"updated_at":"2026-11-02T14:12:35.743275Z"}]}}