CVE-2026-15428
Command injection in Archer VX800v allows root remote code execution via HTTP domain parameter.
Is CVE-2026-15428 being exploited?
Not confirmed. CVE-2026-15428 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 1.0% probability of exploitation in the next 30 days.
How severe is CVE-2026-15428?
CVE-2026-15428 is rated High with a CVSS score of 8.5. 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-2026-15428?
Yes. A fix has been recorded for CVE-2026-15428. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-15428 affect?
CVE-2026-15428 affects Archer VX800v v1 (embedded router/device). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-15428?
Isolate device, block HTTP management, apply vendor patch when released
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote command injection via HTTP domain parameter yields root RCE and full device compromise.
Immediate action required
- affected< 0.16.0 2.0.0 v6092.0 Build 260521 RC.7927n
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.