CVE-2026-75783
Stack buffer overflow in TRENDnet TEW-WLC100P netifd DHCP handler allowing local code execution
Is CVE-2026-75783 being exploited?
Not confirmed. CVE-2026-75783 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 0.40% probability of exploitation in the next 30 days.
How severe is CVE-2026-75783?
CVE-2026-75783 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-2026-75783?
Not known from our data. No patch reference has been recorded for CVE-2026-75783, 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-2026-75783 affect?
CVE-2026-75783 affects TRENDnet TEW-WLC100P (firmware 12.07b01), /sbin/netifd DHCP blobmsg handler. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-75783?
Isolate affected devices, block untrusted DHCP, apply vendor firmware/mitigations when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local attacker sending crafted DHCP blobs can trigger a stack overflow in netifd to achieve code execution, full device compromise, network pivoting or DoS.
Immediate action required
- affected12.07b01
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.