CVE-2012-3725

Severity: low (CVSS 3.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-09-20 · updated 2026-06-16
Weakness: CWE-200

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.

Affected products

Apple Iphone Os: through 5.1.1; 1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.1.1, 1.1.2 (+33)

References

http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
http://support.apple.com/kb/HT5503
https://exchange.xforce.ibmcloud.com/vulnerabilities/78720
http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
http://support.apple.com/kb/HT5503
https://exchange.xforce.ibmcloud.com/vulnerabilities/78720

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