TRENDnet TEW-821DAP Firmware Update cameo_dev.sh platform_do_upgrade_cameo_dev data authenticity
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-345.
Summary
A vulnerability was found in TRENDnet TEW-821DAP up to 1.12B01. This impacts the function platform_do_upgrade_cameo_dev of the file cameo_dev.sh of the component Firmware Update Handler. Performing a manipulation results in insufficient verification of data authenticity. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is said to be difficult. 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
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TRENDnet | TEW-821DAP | 1.12B01 | — | No fix listed | CNA |
- TEW-821DAP VendorTRENDnet Affected 1.12B01 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7611
- 2026-10-03 Alias added: GHSA-mr98-jgq9-qx85
References
More TRENDnet Tew-821dap Firmware vulnerabilities
- 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-2026-06691 TRENDnet TEW-821DAP tools_diagnostic os command injection CVSS 4.0MEDIUM 5.1
- TI-2026-06690 TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2026-7611 · CVE Program
- CVE-2026-7611 · NVD
- FIRST EPSS
- GHSA-mr98-jgq9-qx85 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences