CVE-2026-23767 json
ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization…
published 8mo ago modified 4mo ago also EUVD-2026-9594
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
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.
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- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 8mo ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Seiko Epson Corporation ESC/POS
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
epson.jp
/support/misc_t/260305_oshirase.htm
vendor-advisory
-
download4.epson.biz
/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdf
product
-
jvn.jp
/en/ta/JVNTA97995322/
third-party-advisory
Sources
- CVE List CVE-2026-23767
- NVD CVE-2026-23767
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