by Kastro
Paper/Archive/CVE-2026-23767

CVE-2026-23767

Seiko Epson Corporation ESC/POS — ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorizati…

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 42.8.428 × 208.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
ESC/POSAll products implementing ESC/POS–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refepson.jp/support/misc_t/260305_oshirase.htmrefdownload4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdfrefjvn.jp/en/ta/JVNTA97995322