Stack-based buffer overflow in HP Development Company products - CVE-2026-4682
Published: April 28, 2026
Vulnerability identifier: #VU128252
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2026-4682
CWE-ID: CWE-121
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: HP Development Company
Affected software:
HP DeskJet 2800e All-in-One Printer series
HP DeskJet 4200 All-in-One Printer series
HP DeskJet Ink Advantage 4200 All-in-One Printer series
HP DeskJet 4200e All-in-One Printer series
HP DeskJet Ink Advantage Ultra 4900 series
HP DeskJet Ink Advantage 2800 All-in-One Printer series
HP DeskJet 2800e All-in-One Printer series
HP DeskJet 4200 All-in-One Printer series
HP DeskJet Ink Advantage 4200 All-in-One Printer series
HP DeskJet 4200e All-in-One Printer series
HP DeskJet Ink Advantage Ultra 4900 series
HP DeskJet Ink Advantage 2800 All-in-One Printer series
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when handling a JobStatusEvent. A remote attacker on the local network can send specially crafted SOAP requests, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2026-4682
Install updates from vendor's website.