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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- epson/sb-h50 firmware · epson/tm-h6000v firmware · epson/tm-l100 firmware · epson/tm-m10 firmware · epson/tm-m30 firmware · epson/tm-m30ii firmware · epson/tm-m30ii-h firmware · epson/tm-m30ii-s firmware · epson/tm-m30ii-sl firmware · epson/tm-m30iii firmware · epson/tm-m30iii-h firmware · epson/tm-m55 firmware · epson/tm-p20ii firmware · epson/tm-p80ii firmware · epson/tm-p20 firmware · epson/tm-p60ii firmware · epson/tm-p80 firmware · epson/tm-t20ii firmware · epson/tm-t20iii firmware · epson/tm-t88vi firmware · +4 more
- Source
- vultures@jpcert.or.jp
References
- https://download4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdfProduct
- https://jvn.jp/en/ta/JVNTA97995322/Third Party Advisory
- https://www.epson.jp/support/misc_t/260305_oshirase.htmVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.