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CVE-2026-7607

A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function auto_update_firmware of the component Firmware Udpate. The manipulation of the argument str leads to buffer overflow. The attack may be initiated remotely. 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 main
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f3383024f2ba612180ce02cd20b12e7522d6657f2555b15ed8141d0f49e38e6b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:*"],"modules":["Firmware Udpate"],"product":"TEW-821DAP","vendor":"TRENDnet","versions":[{"status":"affected","version":"1.12B01"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-120","description":"Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"tags":["patch"],"url":"https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/references/3
{"name":"Submit #806214 | Trendnet TEW-821DAP v1.12B01 CWE-120 Buffer Copy without Checking Size of Input","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/806214"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/references/2
{"name":"VDB-360564 | TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/360564"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /containers/cna/references/0
{"name":"VDB-360564 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/360564/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9857423431268cdf1574867f4ea37d8d48d841cd566b09f5814c3c1bee51aeaa · sha256:8fcd5233c57c8ef7… · /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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