CVE-2026-71928
Command injection in DrayTek VigorSwitch web UI allows root command execution with admin credentials.
Is CVE-2026-71928 being exploited?
Not confirmed. CVE-2026-71928 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 1.7% probability of exploitation in the next 30 days.
How severe is CVE-2026-71928?
CVE-2026-71928 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-2026-71928?
Not known from our data. No patch reference has been recorded for CVE-2026-71928, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-71928 affect?
CVE-2026-71928 affects DrayTek VigorSwitch series (web management interface). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-71928?
Restrict admin interface access, rotate admin credentials, monitor devices, apply vendor firmware patch when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated remote attacker with admin web UI creds can execute arbitrary commands as root, leading to full device compromise.
Immediate action required
- affected< 3.9.10
- affected< 2.9.10
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- affected< 2.10.6
- affected< 2.9.10
- affected< 3.9.10
- affected< 3.10.6
- affected< 2.9.10
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- affected< 2.10.6
- affected< 2.9.10
- affected< 3.9.10
- affected< 3.10.6
- affected< 3.10.6
- affected< 2.9.10
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- affected< 2.10.7
- affected< 2.9.10
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- affected< 2.9.10
- affected< 2.10.7
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.