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TI-2026-06691 Aliases CVE-2026-7608GHSA-3m9c-j5h2-5ch4

TRENDnet TEW-821DAP tools_diagnostic os command injection

Priority MEDIUM 56CWE-77Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

A vulnerability was detected in TRENDnet TEW-821DAP up to 1.12B01. The affected element is the function tools_diagnostic. The manipulation results in os command injection. The exploit is now public and may be used. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". 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 0.05699 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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
Partial

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 configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:trendnet:tew-821dap_firmware:1.12b01:*:*:*:*:*:*:*1.12b01VulnerableTRENDnet
cpe:2.3:h:trendnet:tew-821dap:1.0r:*:*:*:*:*:*:*1.0rRunning onTRENDnet
  • cpe:2.3:o:trendnet:tew-821dap_firmware:1.12b01:*:*:*:*:*:*:* Versions 1.12b01 Vulnerable ·TRENDnet
  • cpe:2.3:h:trendnet:tew-821dap:1.0r:*:*:*:*:*:*:* Versions 1.0r Running on ·TRENDnet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-7608
  2. 2026-10-03 Alias added: GHSA-3m9c-j5h2-5ch4
  3. 2026-10-23 EPSS moved to the 90th–95th percentile

References

Exploit 1

  • TI-2023-27953 An issue in TRENDnet Trendnet AC1200 Dual Band PoE Indoor Wireless Access Point… CVSS 3.1HIGH 8.0
  • TI-2023-27952 Buffer Overflow vulnerability in TRENDnet Trendnet AC1200 TEW-821DAP with firmware… CVSS 3.1HIGH 8.0
  • TI-2023-27951 Buffer Overflow vulnerability in TRENDnet AC1200 TEW-821DAP with firmware version 3.00b06… CVSS 3.1HIGH 8.0
  • TI-2026-06692 TRENDnet TEW-821DAP Firmware Udpate diagnostic tools_diagnostic os command injection CVSS 4.0MEDIUM 5.3
  • TI-2026-06690 TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow CVSS 4.0HIGH 8.7
  • TI-2026-06694 TRENDnet TEW-821DAP Firmware Update cameo_dev.sh platform_do_upgrade_cameo_dev data authenticity CVSS 4.0MEDIUM 6.3
See all 8 →

Sources

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