{"id":"CVE-2021-25306","aliases":["EUVD-2021-12206","GHSA-85hw-fg4q-hw9j"],"status":"published","title":"A buffer overflow vulnerability in the AT command interface of Gigaset DX600A v41.00-175 devices...","description":"A buffer overflow vulnerability in the AT command interface of Gigaset DX600A v41.00-175 devices allows remote attackers to force a device reboot by sending relatively long AT commands.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01548,"percentile":0.75255,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-03-02T00:40:16Z","modified":"2026-06-17T03:41:48Z","products":[{"vendor":"gigaset","product":"dx600a_firmware"}],"references":[{"url":"https://research.nccgroup.com/2021/02/28/technical-advisory-administrative-passcode-recovery-and-authenticated-remote-buffer-overflow-vulnerabilities-in-gigaset-dx600a-handset-cve-2021-25309-cve-2021-25306/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25306"},{"url":"https://github.com/advisories/GHSA-85hw-fg4q-hw9j"}],"sources":{"cve":[{"id":"CVE-2021-25306","description":"A buffer overflow vulnerability in the AT command interface of Gigaset DX600A v41.00-175 devices allows remote attackers to force a device reboot by sending relatively long AT commands.","status":"published","published":"2021-03-02T00:40:16Z","modified":"2024-08-03T20:03:05.167Z","updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-12206","description":"A buffer overflow vulnerability in the AT command interface of Gigaset DX600A v41.00-175 devices allows remote attackers to force a device reboot by sending relatively long AT commands.","status":"published","published":"2021-03-02T00:40:16Z","modified":"2024-08-03T20:03:05Z","updated_at":"2026-11-03T03:24:53.85348Z"}],"ghsa":[{"id":"GHSA-85hw-fg4q-hw9j","title":"A buffer overflow vulnerability in the AT command interface of Gigaset DX600A v41.00-175 devices...","description":"A buffer overflow vulnerability in the AT command interface of Gigaset DX600A v41.00-175 devices allows remote attackers to force a device reboot by sending relatively long AT commands.","status":"published","published":"2022-05-24T17:43:29Z","modified":"2023-01-29T05:05:54Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:45:54.221809Z"}],"nvd":[{"id":"CVE-2021-25306","description":"A buffer overflow vulnerability in the AT command interface of Gigaset DX600A v41.00-175 devices allows remote attackers to force a device reboot by sending relatively long AT commands.","status":"published","published":"2021-03-02T01:15:12.617Z","modified":"2026-06-17T03:41:48.003Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}