High severity · published Jul 12, 2026
CVE-2026-15484
TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
TEW-821DAP · TRENDnet
1.12B01 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15484
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15484
github.com
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO3.md
vuldb.com
https://vuldb.com/cve/CVE-2026-15484
vuldb.com
https://vuldb.com/submit/842381
vuldb.com
https://vuldb.com/vuln/377791
vuldb.com
https://vuldb.com/vuln/377791/cti
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