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CVE-2026-73542

Quick assessment

Affected
SEIKO EPSON CORPORATION Multiple SEIKO EPSON printers and scanners
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Seiko Epson Printer是日本Seiko Epson公司的一系列打印或复印机。 Seiko Epson Printer存在加密问题漏洞，该漏洞源于已吊销的根证书，可能导致中间人攻击，使攻击者获取产品传输的通信数据。

CVSS 3.7 · Low EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
SEIKO EPSON CORPORATION Multiple SEIKO EPSON printers and scanners see the information provided by the vendor affected
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I. Basic Information for CVE-2026-73542

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple SEIKO EPSON printers and scanners contain revoked root certificates. A man-in-the-middle attack may allow an attacker to obtain communication data transmitted by the product. As for the details of the affected products and versions, refer to the vendor's information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书信任链回溯不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Seiko Epson Printer 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Seiko Epson Printer是日本Seiko Epson公司的一系列打印或复印机。 Seiko Epson Printer存在加密问题漏洞，该漏洞源于已吊销的根证书，可能导致中间人攻击，使攻击者获取产品传输的通信数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SEIKO EPSON CORPORATION Multiple SEIKO EPSON printers and scanners see the information provided by the vendor -

II. Public POCs for CVE-2026-73542

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-73542

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Vendor Advisories for CVE-2026-73542 (2)

IV. Related Vulnerabilities

Same vendor: SEIKO EPSON CORPORATION
Same weakness: CWE-296

V. Comments for CVE-2026-73542

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