Missing authentication in SEIKO EPSON CORPORATION ESC/POS
Priority MEDIUM 49CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-306.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00499 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SEIKO EPSON CORPORATION | ESC/POS | All products implementing ESC/POS | — | No fix listed | CNA |
- ESC/POS VendorSEIKO EPSON CORPORATION Affected All products implementing ESC/POS Fixed in — No fix listed CNA
CPE configurations NVD · 48
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:epson:sb-h50_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:sb-h50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-h6000v_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-h6000v:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-l100_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-l100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-m10_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-m10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-m30_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-m30:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
- cpe:2.3:o:epson:sb-h50_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:sb-h50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-h6000v_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-h6000v:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-l100_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-l100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-m10_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-m10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-m30_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-m30:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
Show 38 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:epson:tm-m30ii_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-m30ii:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-m30ii-h_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-m30ii-h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-m30ii-s_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-m30ii-s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-m30ii-sl_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-m30ii-sl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-m30iii_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-m30iii:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-m30iii-h_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-m30iii-h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-m55_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-m55:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-p20ii_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-p20ii:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-p80ii_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-p80ii:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-p20_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-p20:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-p60ii_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-p60ii:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-p80_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-p80:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-t20ii_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-t20ii:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-t20iii_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-t20iii:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-t88vi_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-t88vi:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-t88vi-ihub_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-t88vi-ihub:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:tm-t88vii_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:tm-t88vii:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:ub-r04_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:ub-r04:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:ub-e04_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:ub-e04:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
- cpe:2.3:o:epson:tm-m30ii_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-m30ii:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-m30ii-h_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-m30ii-h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-m30ii-s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-m30ii-s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-m30ii-sl_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-m30ii-sl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-m30iii_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-m30iii:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-m30iii-h_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-m30iii-h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-m55_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-m55:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-p20ii_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-p20ii:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-p80ii_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-p80ii:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-p20_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-p20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-p60ii_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-p60ii:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-p80_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-p80:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-t20ii_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-t20ii:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-t20iii_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-t20iii:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-t88vi_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-t88vi:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-t88vi-ihub_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-t88vi-ihub:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:tm-t88vii_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:tm-t88vii:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:ub-r04_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:ub-r04:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:ub-e04_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:ub-e04:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-23767
- 2026-10-03 Alias added: GHSA-57q8-p4r4-7xr7
References
Sources
- CVE-2026-23767 · CVE Program
- CVE-2026-23767 · NVD
- FIRST EPSS
- GHSA-57q8-p4r4-7xr7 · GitHub Advisory Database · CC BY 4.0
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