CVE-2011-1652: n/a vulnerability

CVE-2011-1652: The default configuration of Microsoft Windows 7 immediately prefers a new IPv6 and DHCPv6 service over a c...

The default configuration of Microsoft Windows 7 immediately prefers a new IPv6 and DHCPv6 service over a currently used IPv4 and DHCPv4 service upon receipt of an IPv6 Router Advertisement (RA), and does not provide an option to ignore an unexpected RA, which allows remote attackers to conduct man-in-the-middle attacks on communication with external IPv4 servers via vectors involving RAs, a DHCPv6 server, and NAT-PT on the local network, aka a "SLAAC Attack." NOTE: it can be argued that preferring IPv6 complies with RFC 3484, and that attempting to determine the legitimacy of an RA is currently outside the scope of recommended behavior of host operating systems

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 20:41 UTC (UTC+00:00)

Security readout for executives and security teams

This CVE describes a Windows 7 default networking behavior where an unexpected IPv6 router advertisement can cause the host to prefer attacker-controlled IPv6 routing over existing IPv4 connectivity. A local-network attacker could use that position to intercept traffic to external IPv4 servers. The bundle does not provide CVSS, vendor fix details, or active exploitation evidence. Exposure is most relevant to Microsoft Windows 7 systems on local networks where unexpected IPv6 Router Advertisements or DHCPv6 services can be introduced. The source bundle has no structured CPEs, version ranges, or evidence for other Windows versions. Treat this as a network-adjacent interception risk for legacy Windows 7 environments. It is not supported by the bundle as actively exploited, but it matters where untrusted devices can join internal networks or where IPv6 controls are weak. Mitigation focus: Check Microsoft or vendor guidance for Windows IPv6 RA and DHCPv6 handling.; Inventory Windows 7 systems on networks where IPv6 is enabled or allowed.; Review network controls for unexpected IPv6 Router Advertisements..

Prepared: Jun 24, 2026, 13:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 6, 2011, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
[dailydave] 20110404 SLAAC Attack - 0day Windows Network Interception Configuration VulnerabilityCVE reference · mailing-list, x_refsource_MLIST

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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