{"id":"CVE-2025-7623","aliases":["EUVD-2025-197951","GHSA-95mg-3279-c5xh"],"status":"published","title":"Supermicro BMC SMASH services has a Stack-based buffer overflow vulnerability","description":"Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to the BMC can exploit a stack buffer overflow via a crafted SMASH command, overwrite the return address and registers, and achieve arbitrary code execution on the BMC firmware operating system","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00287,"percentile":0.2137,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2025-11-18T07:05:21Z","modified":"2026-10-18T20:10:00Z","products":[{"vendor":"smci","product":"mbd-x13sedw-f"}],"references":[{"url":"https://www.supermicro.com/zh_tw/support/security_BMC_IPMI_Nov_2025"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-7623"},{"url":"https://github.com/advisories/GHSA-95mg-3279-c5xh"}],"sources":{"cve":[{"id":"CVE-2025-7623","title":"Supermicro BMC SMASH services has a Stack-based buffer overflow vulnerability","description":"Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to the BMC can exploit a stack buffer overflow via a crafted SMASH command, overwrite the return address and registers, and achieve arbitrary code execution on the BMC firmware operating system","status":"published","published":"2025-11-18T07:05:21.64Z","modified":"2025-11-18T16:15:33.824Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:32:51.544289Z"}],"euvd":[{"id":"EUVD-2025-197951","description":"Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to the BMC can exploit a stack buffer overflow via a crafted SMASH command, overwrite the return address and registers, and achieve arbitrary code execution on the BMC firmware operating system","status":"published","published":"2025-11-18T07:05:21Z","modified":"2025-11-18T16:15:33Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:49:15.806163Z"}],"ghsa":[{"id":"GHSA-95mg-3279-c5xh","title":"Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to...","description":"Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to the BMC can exploit a stack buffer overflow via a crafted SMASH command, overwrite the return address and registers, and achieve arbitrary code execution on the BMC firmware operating system","status":"published","published":"2025-11-18T09:30:51Z","modified":"2025-11-18T09:30:57Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:04:50.769565Z"}],"nvd":[{"id":"CVE-2025-7623","description":"Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to the BMC can exploit a stack buffer overflow via a crafted SMASH command, overwrite the return address and registers, and achieve arbitrary code execution on the BMC firmware operating system","status":"published","published":"2025-11-18T07:15:48.047Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:11:44.669367Z"}]}}