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Fiery Driver Flaws: Printer Updates from Canon and Sharp at Risk of Poisoned Attacks.

Toner News Mobile › Forums › Toner News Main Forums › Fiery Driver Flaws: Printer Updates from Canon and Sharp at Risk of Poisoned Attacks.

Tonernews.com, November 13, 2025. USA
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    toner
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    Recent security research has uncovered significant vulnerabilities in the Fiery Driver Updater software embedded in printers and print servers from major manufacturers like Canon and Sharp. These flaws could potentially allow attackers to inject malicious updates into the printer systems, creating a dangerous supply chain attack vector.

    The vulnerabilities, identified by the security firm Cyderes, are particularly concerning because they are “post-execution” flaws, meaning that attackers would first need to gain access to the affected printers before exploiting the weakness. However, once inside, they could use this flaw to deploy poisoned updates, compromising the entire print server network.

    Since the Fiery Driver Updater is widely used in corporate environments, particularly across the United States, the risk extends to thousands of businesses that rely on these printers for sensitive document handling. With the potential for unauthorized access, attackers could use this vulnerability to distribute malware, steal data, or even move laterally through networks to access critical systems.

    For organizations using affected printers, the best defense against this threat is timely patching, network segmentation, and vigilant monitoring to detect suspicious activity before it escalates. As printer servers are often integrated with larger networks, this breach could serve as a backdoor for more serious cyberattacks, making it crucial for businesses to act quickly.
    Click here for more information!

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    November 13, 2025 at 10:22 AM
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