Unrated severityNVD Advisory· Published Apr 24, 2014· Updated Jun 16, 2026
CVE-2012-3946
CVE-2012-3946
Description
Cisco IOS before 15.3(2)S allows remote attackers to bypass interface ACL restrictions in opportunistic circumstances by sending IPv6 packets in an unspecified scenario in which expected packet drops do not occur for "a small percentage" of the packets, aka Bug ID CSCty73682.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*range: <=15.3
- (no CPE)range: <15.3(2)S
Patches
Vulnerability mechanics
References
1News mentions
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