Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote attacker to turned off the printer. [Note] Web Config is the software that allows users to check the status and change the settings of SEIKO EPSON printers via a web browser. Web Config is pre-installed in some printers provided by SEIKO EPSON CORPORATION. For the details of the affected product names/model numbers, refer to the information provided by the vendor.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00854 58th 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
- No
- Technical impact
- Partial
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 | SEIKO EPSON printer Web Config | all versions | — | No fix listed | CNA |
- SEIKO EPSON printer Web Config VendorSEIKO EPSON CORPORATION Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 24
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:epson:ep-801a_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:ep-801a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:ep-802a_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:ep-802a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:ep-901a_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:ep-901a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:ep-901f_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:ep-901f:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:ep-902a_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:ep-902a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
- cpe:2.3:o:epson:ep-801a_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:ep-801a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:ep-802a_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:ep-802a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:ep-901a_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:ep-901a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:ep-901f_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:ep-901f:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:ep-902a_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:ep-902a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
Show 14 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:epson:pa-tcu1_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:pa-tcu1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:pm-t960_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:pm-t960:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:pm-t990_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:pm-t990:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:px-201_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:px-201:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:px-502a_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:px-502a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:px-601f_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:px-601f:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
| cpe:2.3:o:epson:px-602f_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:px-602f:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
- cpe:2.3:o:epson:pa-tcu1_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:pa-tcu1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:pm-t960_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:pm-t960:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:pm-t990_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:pm-t990:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:px-201_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:px-201:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:px-502a_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:px-502a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:px-601f_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:px-601f:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
- cpe:2.3:o:epson:px-602f_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:px-602f:-:*:*:*:*:*:*:* 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-2023-38556
- 2026-10-03 Alias added: GHSA-whxf-cw32-jmhm
References
Sources
- CVE-2023-38556 · CVE Program
- CVE-2023-38556 · NVD
- FIRST EPSS
- GHSA-whxf-cw32-jmhm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences