CVE-2026-15483
Remote buffer overflow in TRENDnet TEW-821DAP nslookup handler
Is CVE-2026-15483 being exploited?
Not confirmed. CVE-2026-15483 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 0.79% probability of exploitation in the next 30 days.
How severe is CVE-2026-15483?
CVE-2026-15483 is rated High with a CVSS score of 8.7. 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-2026-15483?
Not known from our data. No patch reference has been recorded for CVE-2026-15483, 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-2026-15483 affect?
CVE-2026-15483 affects TRENDnet TEW-821DAP (firmware v1.12B01), TEW-821DAP EOL variants (unconfirmed). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-15483?
Isolate/replace affected devices, restrict remote access, apply firmware if vendor issues patch
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote buffer overflow via nslookup_target enabling remote code execution or denial of service
Immediate action required
- affected1.12B01
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.