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Description

A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation of the argument nslookup_target leads to buffer overflow. It is possible to initiate 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.

PUBLISHED Reserved 2026-07-11 | Published 2026-07-12 | Updated 2026-07-12 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

1.12B01
affected

Timeline

2026-07-11:Advisory disclosed
2026-07-11:VulDB entry created
2026-07-11:VulDB entry last update

Credits

IOT_Res (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/377790 (VDB-377790 | TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow) vdb-entry technical-description

vuldb.com/vuln/377790/cti (VDB-377790 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-15483 (CVE-2026-15483 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/842380 (Submit #842380 | Trendnet TEW-821DAP v1.12B01 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buf) third-party-advisory

github.com/...re_Update/blob/main/Trendnet/TEW-821DAP_BO2.md patch

cve.org (CVE-2026-15483)

nvd.nist.gov (CVE-2026-15483)

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