CVE-2026-19586
Pre-auth command injection in Omada gateways' OpenVPN server enabling RCE
Is CVE-2026-19586 being exploited?
Not confirmed. CVE-2026-19586 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. EPSS currently estimates a 5.7% probability of exploitation in the next 30 days.
How severe is CVE-2026-19586?
CVE-2026-19586 is rated Critical with a CVSS score of 9.3. 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-2026-19586?
Yes. A fix has been recorded for CVE-2026-19586. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-19586 affect?
CVE-2026-19586 affects TP-Link Omada gateways with OpenVPN Server enabled. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-19586?
Disable OpenVPN Server, restrict/ACL VPN access, monitor logs, apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can execute arbitrary OS commands via crafted OpenVPN inputs, enabling full device compromise and network pivot.
Immediate action required
- affected< 1.0.1 Build 20260722 Rel.16854
- affected< 1.2.0 Build 20260630 Rel.82652
- affected< 1.2.0 Build 20260630 Rel.83347
- affected< 1.2.0 Build 20260630 Rel.83311
- affected< 1.0.2 Build 20260723 Rel.43271
- affected< 2.4.4 Build 20260630 Rel.14398
- affected< 2.0.4 Build 20260723 Rel.43763
- affected< 1.0.3 Build 20260723 Rel.40931
- affected< 1.1.7 Build 20260723 Rel.41712
- affected< 2.1.11 Build 20260723 Rel.41624
- affected< 1.1.11 Build 20260723 Rel.41624
- affected< 1.2.11 Build 20260723 Rel.41567
- affected< 1.4.4 Build 20260625 Rel.43063
- affected< 2.3.5 Build 20260625 Rel.43136
- affected< 2.4.3 Build 20260722 Rel.40250
- affected< 1.3.4 Build 20260625 Rel.43136
- affected< 1.2.0 Build 20260630 Rel.82947
- affected< 1.4.1 Build 20260708 Rel.64832
- affected< 1.2.6 Build 20260723 Rel.41321
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.