High severity · published May 2, 2026
CVE-2026-7611
TRENDnet TEW-821DAP Firmware Update cameo_dev.sh platform_do_upgrade_cameo_dev data authenticity
8.1
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
TEW-821DAP · TRENDnet
1.12B01 · source: vendor
TF
Tew-821dap Firmware · Trendnet
1.12b01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7611
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7611
Exploit
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Inte.md
Third Party Advisory
https://vuldb.com/submit/806218
Third Party Advisory
https://vuldb.com/vuln/360568
Permissions Required
https://vuldb.com/vuln/360568/cti
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