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CVE-2026-7606

A weakness has been identified in TRENDnet TEW-821DAP 1.12B01. This issue affects the function find_hwid/new_gui_update_firmware of the component Firmware Update Handler. Executing a manipulation of the argument dest can lead to insufficient verification of data authenticity. The attack can be launched remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0f1a760bfa4165a3bc9d60f2842861c716a232a5f04bd894d0338ce0f771a6dd
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":3.7,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":3.7,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":2.6,"vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:N/E:ND/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/metrics/3/cvssV2_0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:*"],"modules":["Firmware Update Handler"],"product":"TEW-821DAP","vendor":"TRENDnet","versions":[{"status":"affected","version":"1.12B01"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":3.7,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":3.7,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":2.6,"vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:N/E:ND/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

1 source assertion
{"cweId":"CWE-345","description":"Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["patch"],"url":"https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Auth.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/references/3
{"name":"Submit #806213 | Trendnet TEW-821DAP v1.12B01 CWE-287 Improper Authentication","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/806213"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/references/2
{"name":"VDB-360563 | TRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/360563"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/references/0
{"name":"VDB-360563 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/360563/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95cd866495c909f3c51b3d5039b0feeb22d3b7e7b1ccf391a6234877d502ff34 · sha256:74a0bf65922551da… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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