Unrated severityNVD Advisory· Published Jan 7, 2011· Updated Jun 16, 2026
CVE-2010-4671
CVE-2010-4671
Description
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS before 15.0(1)XA5 allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, as demonstrated by the flood_router6 program in the thc-ipv6 package, aka Bug ID CSCti33534.
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: <15.0\(1\)xa5
- (no CPE)range: <15.0(1)XA5
Patches
Vulnerability mechanics
References
7- events.ccc.de/congress/2010/Fahrplan/events/3957.en.htmlnvdExploitThird Party Advisory
- mirror.fem-net.de/CCC/27C3/mp3-audio-only/27c3-3957-en-ipv6_insecurities.mp3nvdExploitThird Party Advisory
- mirror.fem-net.de/CCC/27C3/mp4-h264-HQ/27c3-3957-en-ipv6_insecurities.mp4nvdThird Party Advisory
- www.securityfocus.com/bid/45760nvdThird Party AdvisoryVDB Entry
- www.youtube.com/watchnvdThird Party Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/64589nvdThird Party AdvisoryVDB Entry
- www.ciscosystems.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfnvdBroken Link
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