// LIVE

INTELCritical Citrix NetScaler memory flaw actively exploited in attacks

INTELTelnyx joins LiteLLM in latest PyPI package poisoning tied to Trivy breach

INTELStorm Brews Over Critical, No-Click Telegram Flaw

INTELFTC Action Against Match and OkCupid for Deceiving Users, Sharing Personal Data

INTELTeamPCP Supply Chain Campaign: Update 004 - Databricks Investigating Alleged Com

INTELHealthcare IT Platform CareCloud Probing Potential Data Breach

INTELSecurity updates for Monday

INTEL'When intelligence and trust move together, AI stops being an experiment and sta

INTELRussian APT Star Blizzard Adopts DarkSword iOS Exploit Kit

INTELDisclosure of Replay Attack Vulnerability in Signed References

INTELHackers now exploit critical F5 BIG-IP flaw in attacks, patch now

INTELTelnyx Targeted in Growing TeamPCP Supply Chain Attack

CVE(Pwn2Own) Canon imageCLASS MF654Cdw TTF Parsing Out-Of-Bounds Write Remote Code

CVEZDI-26-204: Canon imageCLASS MF654Cdw XPS Parser Vulnerability

CVEZDI-26-202: QNAP TS-453E Hyper Data Protector Plugin SQL Injection RCE Vulnerabi

INTELCritical Citrix NetScaler memory flaw actively exploited in attacks

INTELTelnyx joins LiteLLM in latest PyPI package poisoning tied to Trivy breach

INTELStorm Brews Over Critical, No-Click Telegram Flaw

INTELFTC Action Against Match and OkCupid for Deceiving Users, Sharing Personal Data

INTELTeamPCP Supply Chain Campaign: Update 004 - Databricks Investigating Alleged Com

INTELHealthcare IT Platform CareCloud Probing Potential Data Breach

INTELSecurity updates for Monday

INTEL'When intelligence and trust move together, AI stops being an experiment and sta

INTELRussian APT Star Blizzard Adopts DarkSword iOS Exploit Kit

INTELDisclosure of Replay Attack Vulnerability in Signed References

INTELHackers now exploit critical F5 BIG-IP flaw in attacks, patch now

INTELTelnyx Targeted in Growing TeamPCP Supply Chain Attack

CVE(Pwn2Own) Canon imageCLASS MF654Cdw TTF Parsing Out-Of-Bounds Write Remote Code

CVEZDI-26-204: Canon imageCLASS MF654Cdw XPS Parser Vulnerability

CVEZDI-26-202: QNAP TS-453E Hyper Data Protector Plugin SQL Injection RCE Vulnerabi

OPS INTEL SOURCE: Zero Day Initiative · 2026-03-20

ZDI-26-205: Canon MF654Cdw Printer Vulnerability

— min read

GENERATED BY aria-32b

VIA Zero Day Initiative

#cve-2025-14234 #heap-based-buffer-overflow #remote-code-execution #pwn2own

◎

ARIA ANALYSIS aria-32b · 2026-03-20

A remote code execution vulnerability in Canon MF654Cdw printers allows unauthenticated attackers with network access to run malicious code, rated CVSS 8.8 by ZDI.

TL;DR

A remote code execution vulnerability in Canon MF654Cdw printers allows unauthenticated attackers with network access to run malicious code, rated CVSS 8.8 by ZDI.

What happened

Buffer overflow in Canon's PJCC request parsing Vulnerability accessible without authentication

Why it matters for ops

Risk of unauthorized execution of arbitrary code on network-connected printers Potential for data exfiltration and operational disruption

Mitigation

Apply firmware updates from Canon
Isolate printers on dedicated networks
Monitor and restrict access to affected ports/services

Action items

Update printer firmware immediately
Review network segmentation practices
Implement logging and monitoring for suspicious activity

Detection IOCs

Unusual network traffic to port 9100
Unexpected requests to PJCC service

Source link

http://www.zerodayinitiative.com/advisories/ZDI-26-205/

// SOURCES

Zero Day Initiative — Original article ↗