CVE-2026-15427
TR-069 command injection allows root-level command execution on Archer VX1800v.
Is CVE-2026-15427 being exploited?
Not confirmed. CVE-2026-15427 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 0.55% probability of exploitation in the next 30 days.
How severe is CVE-2026-15427?
CVE-2026-15427 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-2026-15427?
Yes. A fix has been recorded for CVE-2026-15427. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-15427 affect?
CVE-2026-15427 affects Archer VX1800v v1, Devices with TR-069/CWMP enabled, ACS servers that send commands. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-15427?
Disable TR-069 or restrict ACS access; apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary OS command execution as root via crafted TR-069/CWMP commands if attacker can influence or control ACS, enabling 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.