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CVE-2026-12223

A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function mod_webd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack needs to be initiated within the local network. The exploit is publicly available and might be used. Upgrading to version 108.87.0.23 addresses this issue. Upgrading the affected component is recommended. T
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d2a6975c113797a1669680926b4afaa03071137392838e76dddd50c3c6082e1c
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":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":5.2,"vectorString":"AV:A/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-74","description":"Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:yealink:sip-t46u:*:*:*:*:*:*:*:*"],"modules":["Web FastCGI Service"],"product":"SIP-T46U","vendor":"Yealink","versions":[{"status":"affected","version":"108.86.0.118"},{"status":"unaffected","version":"108.87.0.23"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":5.2,"vectorString":"AV:A/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-74","description":"Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/problemTypes/1/descriptions/0

Source references

5 source assertions
{"tags":["broken-link","exploit"],"url":"http://cdn2.v50to.cc/T46U/T46U_mod_webd_TFTPUploadIperf_system_exec.zip"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/references/4
{"name":"CVE-2026-12223 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-12223"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/references/2
{"name":"Submit #834603 | yealink T46U 108.86.0.118 Command Injection","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/834603"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/references/3
{"name":"VDB-370866 | Yealink SIP-T46U Web FastCGI Service tftpuploadiperf mod_webd.TFTPUploadIperf command injection","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/370866"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /containers/cna/references/0
{"name":"VDB-370866 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/370866/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f234968eb9d881b8d6b97b53eac53a7ab5160287b9450cf3cc65054278ea4631 · sha256:8207634bd2e573f7… · /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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