What’s Vulnerable › Vulnerabilities

CVE-2017-12318

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-16 · updated 2026-06-17
• Weakness: CWE-399

Description

A vulnerability in the TCP state machine of Cisco RF Gateway 1 devices could allow an unauthenticated, remote attacker to prevent an affected device from delivering switched digital video (SDV) or video on demand (VoD) streams, resulting in a denial of service (DoS) condition. The vulnerability is due to a processing error with TCP connections to the affected device. An attacker could exploit this vulnerability by establishing a large number of TCP connections to an affected device and not actively closing those TCP connections. A successful exploit could allow the attacker to prevent the affected device from delivering SDV or VoD streams to set-top boxes. Cisco Bug IDs: CSCvf19887.

Affected products

• Cisco RF Gateway 1: all versions

References

• http://www.securityfocus.com/bid/101854
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-rf-gateway-1
• http://www.securityfocus.com/bid/101854
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-rf-gateway-1

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