Critical severity9.8NVD Advisory· Published Jul 31, 2017· Updated Jun 17, 2026

CVE-2017-9479

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Dpc3939 Firmware
cpe:2.3:o:cisco:dpc3939_firmware:dpc3939-p20-18-v303r20421746-170221a-cmcst:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-22.syseventd.txtnvdExploitThird Party Advisory

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cvss	0.637
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000