{"id":"CVE-2012-3725","aliases":["EUVD-2012-3672","GHSA-72c4-8fq6-q36h"],"status":"published","title":"The DNAv4 protocol implementation in the DHCP component in Apple iOS before 6 sends Wi-Fi packets...","description":"The DNAv4 protocol implementation in the DHCP component in Apple iOS before 6 sends Wi-Fi packets containing a MAC address of a host on a previously used network, which might allow remote attackers to obtain sensitive information about previous device locations by sniffing an unencrypted Wi-Fi network for these packets.","severity":{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00748,"percentile":0.55137,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2012-09-20T21:00:00Z","modified":"2026-06-16T23:43:48Z","products":[{"vendor":"apple","product":"iphone_os"}],"references":[{"url":"http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"http://support.apple.com/kb/HT5503","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/78720","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3725"},{"url":"https://github.com/advisories/GHSA-72c4-8fq6-q36h"}],"sources":{"cve":[{"id":"CVE-2012-3725","description":"The DNAv4 protocol implementation in the DHCP component in Apple iOS before 6 sends Wi-Fi packets containing a MAC address of a host on a previously used network, which might allow remote attackers to obtain sensitive information about previous device locations by sniffing an unencrypted Wi-Fi network for these packets.","status":"published","published":"2012-09-20T21:00:00Z","modified":"2024-08-06T20:13:51.613Z","updated_at":"2026-11-02T14:34:50.615647Z"}],"euvd":[{"id":"EUVD-2012-3672","description":"The DNAv4 protocol implementation in the DHCP component in Apple iOS before 6 sends Wi-Fi packets containing a MAC address of a host on a previously used network, which might allow remote attackers to obtain sensitive information about previous device locations by sniffing an unencrypted Wi-Fi network for these packets.","status":"published","published":"2012-09-20T21:00:00Z","modified":"2024-08-06T20:13:51Z","updated_at":"2026-11-03T01:56:09.826866Z"}],"ghsa":[{"id":"GHSA-72c4-8fq6-q36h","title":"The DNAv4 protocol implementation in the DHCP component in Apple iOS before 6 sends Wi-Fi packets...","description":"The DNAv4 protocol implementation in the DHCP component in Apple iOS before 6 sends Wi-Fi packets containing a MAC address of a host on a previously used network, which might allow remote attackers to obtain sensitive information about previous device locations by sniffing an unencrypted Wi-Fi network for these packets.","status":"published","published":"2022-05-17T01:43:33Z","modified":"2023-02-03T05:05:19Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:53:43.432623Z"}],"nvd":[{"id":"CVE-2012-3725","description":"The DNAv4 protocol implementation in the DHCP component in Apple iOS before 6 sends Wi-Fi packets containing a MAC address of a host on a previously used network, which might allow remote attackers to obtain sensitive information about previous device locations by sniffing an unencrypted Wi-Fi network for these packets.","status":"published","published":"2012-09-20T21:55:03.22Z","modified":"2026-06-16T23:43:48.927Z","cvss":[{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:02:15.643902Z"}]}}