CVE-2008-3806
Cisco IOS 12.0 through 12.4 on Cisco 10000, uBR10012 and uBR7200 series devices handles external...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2008-3806- CVSS 2.0
- 8.5 High
AV:N/AC:L/Au:N/C:N/I:P/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2008-3806- Updated
- 2026-11-02
EUVDEUVD-2008-3792 No score
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.
- Record
EUVD-2008-3792- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fqgf-h56q-h3fr No score
Cisco IOS 12.0 through 12.4 on Cisco 10000, uBR10012 and uBR7200 series devices handles external...
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.
- Record
GHSA-fqgf-h56q-h3fr- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-3806 is a high vulnerability (CVSS 8.5) in Cisco Ios, published September 26, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.14%, the 88th percentile. No source names a fixed version.
References
secunia.com/advisories/31990
exchange.xforce.ibmcloud.com/vulnerabilities/45592
cisco.com/en/US/products/products_security_advisory09186a0080a014ae.shtml
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7123
tools.cisco.com/security/center/viewAlert.x?alertId=16646
nvd.nist.gov/vuln/detail/CVE-2008-3806
github.com/advisories/GHSA-fqgf-h56q-h3fr