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major vulnerability· requires attention

WireGuard is widely deployed across Linux, cloud images, routers and VPN appliances; a command-injection leading to root execution risks widespread host and network compromise.

Networks

CVE-2026-105980

8.6
High
EPSS n/aPatch available

Command injection in WireGuard allows root code execution via crafted input.

exploited
No known exploitation not in CISA KEV as of our last sync
fix
Patch available see the advisory in the references
likelihood
No EPSS score yet
Published 3 Nov 2026Analysed here 3 Nov 2026CVSS scored by the publisher (CNA)
common questions

Is CVE-2026-105980 being exploited?

Not confirmed. CVE-2026-105980 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.

How severe is CVE-2026-105980?

CVE-2026-105980 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-105980?

Yes. A fix has been recorded for CVE-2026-105980. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-105980 affect?

CVE-2026-105980 affects WireGuard VPN implementations, Linux kernels/distributions, Embedded routers and VPN appliances, Userspace WireGuard clients. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-105980?

Disable/unload WireGuard if feasible, restrict access and privileges, monitor logs, apply vendor patch when available.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
WireGuard VPN implementationsLinux kernels/distributionsEmbedded routers and VPN appliancesUserspace WireGuard clients
impact

Command injection via WireGuard input enabling remote/root code execution and full host compromise.

action required

Immediate action required

affected versions
Welotec TK100
  • affected< 3.5.116
Welotec TK500-v2
  • affected< 1.0.124
Welotec TK500-v3
  • affected< 1.0.123

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

timeline

  1. 3 Nov 2026Published
  2. 3 Nov 2026CVE record last updated · same day later
  3. 3 Nov 2026Analysed by vulneraibility.com · same day later
how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
NVDCVE.orgCVE DetailsSource
1 reference in the CVE record: 1 link

sources

  • CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
  • NVD: CVSS and CPE data
  • FIRST EPSS: exploit probability and percentile
  • Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.
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