Unrated severityNVD Advisory· Published Sep 26, 2008· Updated Jun 16, 2026
CVE-2008-3806
CVE-2008-3806
Description
Cisco IOS 12.0 through 12.4 on Cisco 10000, uBR10012 and uBR7200 series devices handles external UDP packets that are sent to 127.0.0.0/8 addresses intended for IPC communication within the device, which allows remote attackers to cause a denial of service (device or linecard reload) via crafted UDP packets, a different vulnerability than CVE-2008-3805.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
12cpe:2.3:o:cisco:ios:12.0s:*:*:*:*:*:*:*+ 11 more
- cpe:2.3:o:cisco:ios:12.0s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.0sl:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.0st:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.2sb:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.2sca:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.2src:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.2zx:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.3bc:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.3t:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.3xi:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*
- (no CPE)range: 12.0 through 12.4
Patches
Vulnerability mechanics
References
5- secunia.com/advisories/31990nvdThird Party Advisory
- tools.cisco.com/security/center/viewAlert.xnvdVendor Advisory
- www.cisco.com/en/US/products/products_security_advisory09186a0080a014ae.shtmlnvdVendor Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/45592nvdThird Party AdvisoryVDB Entry
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7123nvdThird Party Advisory
News mentions
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