What’s Vulnerable › Vulnerabilities

CVE-2017-9479

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-07-31 · updated 2026-06-17
• Weakness: CWE-732

Description

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to execute arbitrary commands as root by leveraging local network access and connecting to the syseventd server, as demonstrated by copying configuration data into a readable filesystem.

Affected products

• Cisco Dpc3939 Firmware: dpc3939-p20-18-v303r20421746-170221a-cmcst

References

• https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-22.syseventd.txt
• https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-22.syseventd.txt

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