HOMEVULNERABILITIESCVE-2026-7611
HIGH

CVE-2026-7611

CWE-345Published: May 2, 2026· Updated: May 6, 2026

8.1
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.9th

Official 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.

NVD Source

Technical Analysis

CVE-2026-7611 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

trendnet2 products
tew-821dap firmwaretew-821dap
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Inte.md
ADVISORYhttps://vuldb.com/submit/806218
ADVISORYhttps://vuldb.com/vuln/360568

All References (4)

→
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Inte.mdExploit · Third Party Advisory
→
https://vuldb.com/submit/806218Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/360568Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/360568/ctiPermissions Required · VDB Entry

Quick Facts

CVE IDCVE-2026-7611
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-345
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedMay 2, 2026

Related CVEs (CWE-345)

CVE-2026-47691
10.0
CVE-2026-45674
10.0
CVE-2026-35051
10.0
CVE-2026-50195
9.9
CVE-2026-43534
9.8
CVE-2026-50214
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-7611 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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