CVE-2026-1951
Buffer overflow in Delta AS320T directory handling.
Is CVE-2026-1951 being exploited?
Not confirmed. CVE-2026-1951 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 0.61% probability of exploitation in the next 30 days.
How severe is CVE-2026-1951?
CVE-2026-1951 is rated Critical with a CVSS score of 9.8. 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-2026-1951?
Yes. A fix has been recorded for CVE-2026-1951. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-1951 affect?
CVE-2026-1951 affects Delta Electronics AS320T. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-1951?
Monitor advisories; firmware patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Stack-based buffer overflow in directory name processing; may enable remote code execution on affected devices.
Monitor only
- affected<= 1.10
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.