CVE-2017-9483

9.8 criticalEPSS 1.9%

Critical (9.8) in cisco dpc3939 firmware. EPSS 1.9% chance of exploitation in the next 30 days.

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows Network Processor (NP) Linux users to obtain root access to the Application Processor (AP) Linux system via shell metacharacters in commands.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2017-07-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cisco:dpc3939_firmware

References

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-26.arbitrary-command-execution.txt
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-26.arbitrary-command-execution.txt

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