CVE-2026-42626
Possible ATT&CK Techniques 1AI
T1499 · Endpoint Denial of ServiceGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-42626
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
HP ENVY 5000 series printers VERBASPP1N003.2237A.00 do not properly manage concurrent TCP connections to port 9100 (JetDirect/RAW printing). An unauthenticated remote attacker on the same network can establish a persistent connection to port 9100 and send keep-alive packets, causing the printer's session threads to remain locked in a waiting state. The firmware lacks connection timeouts and concurrent session limits, resulting in a persistent Denial of Service (DoS) that renders the printer unresponsive to all user commands and print jobs. Physical intervention (manual restart) is required to restore functionality, and the attack can be immediately re-initiated.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
HP ENVY 5000 Series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HP ENVY 5000 Series是美国惠普（HP）公司的一系列支持无线打印与扫描的一体式喷墨打印机。 HP ENVY 5000 Series VERBASPP1N003.2237A.00版本存在安全漏洞，该漏洞源于未正确管理并发TCP连接，可能导致未经身份验证的远程攻击者建立持久连接并发送保持活动数据包，造成拒绝服务。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2026-42626
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2026-05-22 · 7 CVEs total
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| CVE-2026-36226 | Advantech WebAccess/SCADA 安全漏洞 | |
| CVE-2026-36227 | Easy Chat Server 安全漏洞 | |
| CVE-2026-36228 | Easy Chat Server 安全漏洞 | |
| CVE-2026-42627 | Arm NN 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-42626
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