Block the capability of localized print preview setups using Google Admin administrative policies.
: ChromeOS versions above v134 include deep optimizations that handle thread execution loops differently. Attempting the exploit on unpatched systems can cause permanent system freezes requiring a physical hardware recovery process.
as a medium-severity "Permissions Bypass" that allows users to access Developer Mode on managed devices. SentinelOne using this tool, or are you trying to patch this vulnerability on a managed network? CVE-2025-6179: Chrome OS Auth Bypass Vulnerability
: Enabling features typically restricted to administrators, allowing for deeper system customization. extprint3r verified
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. CVE-2025-6179 Detail - NVD
Disabling security extensions leaves the device unprotected from malicious websites or malware.
: On specific poorly configured configurations, freezing policy extensions can allow local users to toggle developer modes or load unpacked local extensions manually. Block the capability of localized print preview setups
If you are facing restrictions, is often safer than using unauthorized hacks.
While "verified" does not appear to be a standard technical certification from Google or a major security firm, in the developer community (such as on ), it typically denotes one of the following: Official Tooling
You can prevent local users from launching verification or setup links for these tools by blacklisting generic data protocols or specific extension pages. In your MDM or Google Admin console under : as a medium-severity "Permissions Bypass" that allows users
The successor to ExtHang3r is still holding up. If you're hanging on extension pages, remember that printing with high iframe counts is more consistent than the old freezing methods. #ExtPrint3r #ChromebookExploit #BlobbyBoi
For ethical hackers, penetration testers, and security researchers, ExtPrint3r serves as a valuable case study. Its mechanics and the CVE linked to it can be analyzed in controlled, isolated environments (such as virtual machines or dedicated test devices not connected to a production network) to understand ChromeOS's historical vulnerabilities and how to defend against similar attacks in the future.
: Verified parts are proven to resist common failures like heat creep.
Following the discovery and disclosure of CVE-2025-6179, Google has issued a security patch. As a result, ExtPrint3r has been on all ChromeOS versions higher than version 134 [1†L21-L22][6†L8-L10]. For security researchers and IT administrators, this "patch status" serves as the final verification: the exploit's window of opportunity was real, officially recognized, and has since been closed by the vendor.