CVE-2026-3587
Unauthenticated remote exploit escapes restricted CLI, gains root on Linux.
Is CVE-2026-3587 being exploited?
Not confirmed. CVE-2026-3587 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 0.68% probability of exploitation in the next 30 days.
How severe is CVE-2026-3587?
CVE-2026-3587 is rated Critical with a CVSS score of 10.0. 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-2026-3587?
Yes. A fix has been recorded for CVE-2026-3587. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-3587 affect?
CVE-2026-3587 affects Linux-based devices with restricted CLI prompt. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-3587?
Patch when available; restrict CLI access; monitor for root activity
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote root on Linux via hidden CLI function; full device compromise.
Patch when possible
- affected< V1.2.0.S0
- affected< V1.2.0.S0
- affected< V1.1.9.S0
- affected< V1.2.0.S0
- affected< V1.2.5.S0
- affected< V1.2.8.S0
- affected< V1.0.6.S0
- affected< V1.0.6.S0
- affected< V1.2.1.S0
- affected< V1.2.1.S0
- affected< V1.2.1.S0
- affected< V1.2.3.S0
- affected< V1.2.1.S0
- affected< V1.2.1.S0
- affected< V1.2.1.S0
- affected< V1.2.1.S0
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.