Read the docs
TI-2026-13024 Aliases CVE-2026-15483GHSA-j9x6-5fxr-xh6q

TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0057 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TRENDnetTEW-821DAP1.12B01—No fix listedCNA
  • TEW-821DAP VendorTRENDnet Affected 1.12B01 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:*——TRENDnet
  • cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:* Versions — — ·TRENDnet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15483
  2. 2026-10-03 Alias added: GHSA-j9x6-5fxr-xh6q
  3. 2026-10-26 EPSS moved to the below the 50th percentile

References

Patch 1

  • TI-2015-01070 The ping tool in multiple D-Link and TRENDnet devices allow remote attackers to execute… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-70883 OS command injection in TRENDnet TEW-751DR and related routers CVSS 4.0CRITICAL 10.0
  • TI-2026-54249 TRENDnet TEW-821DAP NTP Timezone Configuration apply_time.cgi uci_safe_get stack-based overflow CVSS 4.0CRITICAL 10.0
  • TI-2026-53047 TRENDnet TEW-WLC100 HTTP Header nginx FUN_0040da4c stack-based overflow CVSS 4.0CRITICAL 10.0
  • TI-2026-53046 TRENDnet TEW-WLC100P DHCP blobmsg netifd stack-based overflow CVSS 4.0CRITICAL 9.4
  • TI-2024-37951 TRENDnet TEW-632BRP v1.010B31 devices have an OS command injection vulnerability in the… CVSS 3.1CRITICAL 9.8
See all 240 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences