# Welotec vulnerabilities

Source: https://junglewise.ai/threats/vendors/welotec  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/welotec.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Welotec: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-109161, was published on 3 November 2026. 5 vulnerabilities in the last four weeks, up from none in the four before. 3 technologies have a page of their own.

## Counts

- Last 7 days: 0
- Last 30 days: 5
- Last 90 days: 5
- All time: 5 (0 critical, 0 exploited in the wild)

## Latest Welotec vulnerabilities

- [CVE-2026-109161: Welotec TK router buffer overflow in Digital I/O function](https://junglewise.ai/threats/cve-2026-109161-insufficient-bounds-checking-in-the-digital-i-o-function-may) (medium, CVSS 4.9, published 3 Nov 2026)
- [CVE-2026-105982: Welotec TK routers command injection in IPsec VPN](https://junglewise.ai/threats/cve-2026-105982-improper-input-validation-in-the-ipsec-vpn-function-may-allow-a) (high, CVSS 7.2, published 3 Nov 2026)
- [CVE-2026-105981: Welotec TK routers OS command injection in Digital I/O](https://junglewise.ai/threats/cve-2026-105981-improper-input-validation-in-the-digital-i-o-function-may-allow) (high, CVSS 7.2, published 3 Nov 2026)
- [CVE-2026-105979: Welotec TK router ZeroTier VPN command injection](https://junglewise.ai/threats/cve-2026-105979-improper-input-validation-in-the-zerotier-vpn-function-may-allow) (high, CVSS 7.2, published 3 Nov 2026)
- [CVE-2026-105978: Welotec TK router OS command injection in management functions](https://junglewise.ai/threats/cve-2026-105978-improper-input-validation-in-management-control-functions-may) (high, CVSS 7.2, published 3 Nov 2026)

## Most severe Welotec vulnerabilities

- [CVE-2026-105982: Welotec TK routers command injection in IPsec VPN](https://junglewise.ai/threats/cve-2026-105982-improper-input-validation-in-the-ipsec-vpn-function-may-allow-a) (high, CVSS 7.2, published 3 Nov 2026)
- [CVE-2026-105981: Welotec TK routers OS command injection in Digital I/O](https://junglewise.ai/threats/cve-2026-105981-improper-input-validation-in-the-digital-i-o-function-may-allow) (high, CVSS 7.2, published 3 Nov 2026)
- [CVE-2026-105979: Welotec TK router ZeroTier VPN command injection](https://junglewise.ai/threats/cve-2026-105979-improper-input-validation-in-the-zerotier-vpn-function-may-allow) (high, CVSS 7.2, published 3 Nov 2026)
- [CVE-2026-105978: Welotec TK router OS command injection in management functions](https://junglewise.ai/threats/cve-2026-105978-improper-input-validation-in-management-control-functions-may) (high, CVSS 7.2, published 3 Nov 2026)
- [CVE-2026-109161: Welotec TK router buffer overflow in Digital I/O function](https://junglewise.ai/threats/cve-2026-109161-insufficient-bounds-checking-in-the-digital-i-o-function-may) (medium, CVSS 4.9, published 3 Nov 2026)

## Vulnerabilities per week

5 vulnerabilities in the last four weeks, up from none in the four before.

| 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 | 5 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Welotec technologies

- [Welotec TK100](https://junglewise.ai/threats/technologies/tk100): 5 vulnerabilities
- [Welotec TK500-v2](https://junglewise.ai/threats/technologies/tk500-v2): 5 vulnerabilities
- [Welotec TK500-v3](https://junglewise.ai/threats/technologies/tk500-v3): 5 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, "Welotec vulnerabilities", https://junglewise.ai/threats/vendors/welotec, 11 November 2026.