What is CVE-2026-15484?

CVE-2026-15484 is a high-severity vulnerability in Trendnet Tew-821dap, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-07-12.

How severe is CVE-2026-15484?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Trendnet Tew-821dap

CVE-2026-15484

A vulnerability was detected in TRENDnet TEW-821DAP 1.12B01. The affected element is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation results in buffer overflow. It is possible to launch the attack remotely. The vendor explains: "We are unable to confirm the existence of the vulnerabilities for (...) TEW-821DAP (v1.0R) as these items have been EOL. " This vulnerability only affects products that are no longer supported by the maintainer.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Trendnet Tew-821dap — versions 1.12B01

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (patch)

Frequently asked questions

What is CVE-2026-15484?: CVE-2026-15484 is a high-severity vulnerability in Trendnet Tew-821dap, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-07-12.
How severe is CVE-2026-15484?: High severity. CVSS v3 base score is 8.8 out of 10.