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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-12 · updated 2026-10-25
Weakness: CWE-119

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.

Affected products

TRENDnet TEW-821DAP: 1.12B01

References

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO3.md
https://vuldb.com/cve/CVE-2026-15484
https://vuldb.com/submit/842381
https://vuldb.com/vuln/377791
https://vuldb.com/vuln/377791/cti

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