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CVE-2026-4682— Certain HP DeskJet All In One (AIO) Devices – Potential Remote Code Execution & Potential Buffer Overflow

Quick assessment

Affected
HP Inc HP DeskJet 2800e All-in-One Printer series
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.

HP DeskJet All in One是美国惠普（HP）公司的一款多功能喷墨打印设备。 HP DeskJet All in One存在安全漏洞，该漏洞源于对特制WSD扫描请求验证和处理不当，可能导致缓冲区溢出和远程代码执行。

AI Predicted 8.8 Difficulty: Easy EPSS 0.30% · P23

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4682

Vulnerability Information
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Vulnerability Title
Certain HP DeskJet All In One (AIO) Devices – Potential Remote Code Execution & Potential Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
Certain HP DeskJet All in One devices may be vulnerable to remote code execution caused by a buffer overflow when specially crafted Web Services for Devices (WSD) scan requests are improperly validated and handled by the MFP. WSD Scan is a Microsoft Windows–based network scanning protocol that allows a PC to discover scanners (and MFPs) on a network and send scan jobs to them without requiring vendor specific drivers or utilities.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
HP DeskJet All in One 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HP DeskJet All in One是美国惠普（HP）公司的一款多功能喷墨打印设备。 HP DeskJet All in One存在安全漏洞，该漏洞源于对特制WSD扫描请求验证和处理不当，可能导致缓冲区溢出和远程代码执行。
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
HP Inc HP DeskJet 2800e All-in-One Printer series 0 ~ <2612A -
HP Inc HP DeskJet 4200 All-in-One Printer series 0 ~ <2612A -
HP Inc HP DeskJet Ink Advantage 4200 All-in-One Printer series 0 ~ <2612A -
HP Inc HP DeskJet 4200e All-in-One Printer series 0 ~ <2612A -
HP Inc HP DeskJet Ink Advantage Ultra 4900 series 0 ~ <2612A -
HP Inc HP DeskJet Ink Advantage 2800 All-in-One Printer series 0 ~ <2612A -

II. Public POCs for CVE-2026-4682

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III. Intelligence Information for CVE-2026-4682

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Other References for CVE-2026-4682 (1)

IV. Related Vulnerabilities

Same vendor: HP Inc
Same weakness: CWE-121

V. Comments for CVE-2026-4682

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