High 8.8Published Jul 12, 2026

CVE-2026-15484TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow

Updated under an hour ago (Oct 26, 2026, 10:50 AM ET)

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It affects TRENDnet TEW-821DAP. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for TRENDnet TEW-821DAP

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
Weakness (CWE): CWE-120, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jul 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TRENDnet TEW-821DAP trendnet:tew-821dap_firmware	1.12B01	CNA record

References

https://vuldb.com/vuln/377791vdb-entry, technical-description
https://vuldb.com/vuln/377791/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-15484third-party-advisory
https://vuldb.com/submit/842381third-party-advisory
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO3.mdpatch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.