High severity7.5NVD Advisory· Published Sep 21, 2017· Updated May 13, 2026
CVE-2017-12219
CVE-2017-12219
Description
A vulnerability in the handling of IP fragments for the Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to the inability to handle many large IP fragments for reassembly in a short duration. An attacker could exploit this vulnerability by sending a crafted stream of IP fragments to the targeted device. An exploit could allow the attacker to cause a DoS condition when the device unexpectedly reloads. Cisco Bug IDs: CSCve82586.
AI Insight
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Affected products
13- cpe:2.3:o:cisco:spa_301_firmware:7.6.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa_303_firmware:7.6.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa_500ds_firmware:7.6.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa_500s_firmware:7.6.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:spa_501g_firmware:7.6.2:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:cisco:spa_501g_firmware:7.6.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa_504g_firmware:7.6.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa_514g_firmware:7.6.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa_502g_firmware:7.6.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa_508g_firmware:7.6.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa_509g_firmware:7.6.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa_512g_firmware:7.6.2:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- www.securityfocus.com/bid/100926nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1039413nvdThird Party AdvisoryVDB Entry
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-spanvdVendor Advisory
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