# Hfiref0x vulnerabilities

Source: https://junglewise.ai/threats/vendors/hfiref0x  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/hfiref0x.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Hfiref0x: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-70637, was published on 6 August 2026. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 3 (0 critical, 0 exploited in the wild)

## About Hfiref0x

Software developer and maintainer of the hfiref0x GitHub repository.

## Latest Hfiref0x vulnerabilities

- [CVE-2026-70637: LightFTP data race condition in ftpserv.c](https://junglewise.ai/threats/cve-2026-70637-lightftp-data-race-condition-in-ftpserv-c) (medium, CVSS 5.9, published 6 Aug 2026)
- [CVE-2026-67607: hfiref0x LightFTP race condition in worker thread cleanup](https://junglewise.ai/threats/cve-2026-67607-hfiref0x-lightftp-race-condition-in-worker-thread-cleanup) (medium, CVSS 5.9, published 31 Jul 2026)
- [CVE-2025-65403: A buffer overflow in the g_cfg.MaxUsers component of LightFTP v2.0 allows attackers to cause a Denial of Service (DoS) via…](https://junglewise.ai/threats/cve-2025-65403-a-buffer-overflow-in-the-g-cfg-maxusers-component-of-lightftp-v2) (medium, CVSS 6.5, published 1 Dec 2025)

## Most severe Hfiref0x vulnerabilities

- [CVE-2025-65403: A buffer overflow in the g_cfg.MaxUsers component of LightFTP v2.0 allows attackers to cause a Denial of Service (DoS) via…](https://junglewise.ai/threats/cve-2025-65403-a-buffer-overflow-in-the-g-cfg-maxusers-component-of-lightftp-v2) (medium, CVSS 6.5, published 1 Dec 2025)
- [CVE-2026-70637: LightFTP data race condition in ftpserv.c](https://junglewise.ai/threats/cve-2026-70637-lightftp-data-race-condition-in-ftpserv-c) (medium, CVSS 5.9, published 6 Aug 2026)
- [CVE-2026-67607: hfiref0x LightFTP race condition in worker thread cleanup](https://junglewise.ai/threats/cve-2026-67607-hfiref0x-lightftp-race-condition-in-worker-thread-cleanup) (medium, CVSS 5.9, published 31 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Hfiref0x technologies

- [Hfiref0x LightFTP](https://junglewise.ai/threats/technologies/lightftp): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Hfiref0x vulnerabilities", https://junglewise.ai/threats/vendors/hfiref0x, 9 November 2026.