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CVE-2026-23767

ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1f8f9d516dc5ae3d1c1d1f434eb0f21a27a7339914cf5729a0cde030d53f517d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"ESC/POS","vendor":"Seiko Epson Corporation","versions":[{"status":"affected","version":"All products implementing ESC/POS"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e401b25eee4364a8875dfddf5428061eaff6b1028c9f87d5f1c1b361169c5c11 · sha256:8e6e2bcbae2510b0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e401b25eee4364a8875dfddf5428061eaff6b1028c9f87d5f1c1b361169c5c11 · sha256:8e6e2bcbae2510b0… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-306","description":"Missing authentication for critical function","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e401b25eee4364a8875dfddf5428061eaff6b1028c9f87d5f1c1b361169c5c11 · sha256:8e6e2bcbae2510b0… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://download4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e401b25eee4364a8875dfddf5428061eaff6b1028c9f87d5f1c1b361169c5c11 · sha256:8e6e2bcbae2510b0… · /containers/cna/references/1
{"url":"https://jvn.jp/en/ta/JVNTA97995322/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e401b25eee4364a8875dfddf5428061eaff6b1028c9f87d5f1c1b361169c5c11 · sha256:8e6e2bcbae2510b0… · /containers/cna/references/2
{"url":"https://www.epson.jp/support/misc_t/260305_oshirase.htm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e401b25eee4364a8875dfddf5428061eaff6b1028c9f87d5f1c1b361169c5c11 · sha256:8e6e2bcbae2510b0… · /containers/cna/references/0

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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