Stack-based buffer overflow in HP Development Company products - CVE-2025-26506

Vulnerability identifier: #VU105257

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-2025-26506

CWE-ID: CWE-121

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vendor: HP Development Company

Affected software:
HP Color LaserJet Pro 3201-3204, 3288 Printer Series
HP Color LaserJet Pro MFP 4301-4303 Printer series
HP Color LaserJet Pro 4201-4203 Printer series
HP Color LaserJet Pro 4201-4203dne/dwe HP+ Printer series
HP Color LaserJet Pro MFP 4301-4303dwe/fdne/fdwe HP+ Printer Series
HP Color LaserJet Pro MFP 3301-3304 3388 Printer Series
HP Color LaserJet Pro MFP 3301e-3304e Printer series
HP Color LaserJet Pro 3201e-3204e Printer series

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the parsing of PostScript data. A remote unauthenticated attacker on the local network can 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.

Install updates from vendor's website.

• https://support.hp.com/us-en/document/ish_11953771-11953793-16/hpsbpi04007
• https://www.zerodayinitiative.com/advisories/ZDI-25-107/