CVE-2025-2197
📋 TL;DR
This CVE describes a type confusion vulnerability in a browser that could allow an attacker to cause a denial of service. The vulnerability affects users of the affected browser software. Successful exploitation could crash the browser or render it unresponsive.
💻 Affected Systems
- Honor Browser
📦 What is this software?
Baidu by Honor
⚠️ Risk & Real-World Impact
Worst Case
Complete browser crash leading to denial of service, potentially disrupting user workflows and requiring browser restart.
Likely Case
Browser tab or process crash requiring user intervention to restore functionality.
If Mitigated
Minimal impact with proper browser sandboxing and process isolation limiting the scope of the crash.
🎯 Exploit Status
Exploitation requires user to visit a malicious website with crafted JavaScript. No authentication needed beyond loading the page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Honor security advisory for specific patched version.
Vendor Advisory: https://www.honor.com/global/security/cve-2025-2197/
Restart Required: Yes
Instructions:
1. Open Honor Browser settings. 2. Check for updates in app store or browser settings. 3. Install available updates. 4. Restart browser to apply patch.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by disabling JavaScript execution in browser.
Browser-specific: Settings > Site settings > JavaScript > toggle off
Use alternative browser
allSwitch to a different browser until Honor Browser is patched.
🧯 If You Can't Patch
- Restrict browsing to trusted websites only to reduce exposure to malicious content.
- Implement network filtering to block known malicious domains that might host exploit code.
🔍 How to Verify
Check if Vulnerable:
Check Honor Browser version against affected versions listed in vendor advisory.Check Version:
Open Honor Browser > Settings > About or App Info to view version number.Verify Fix Applied:
Update browser to latest version and confirm version matches or exceeds patched version from advisory.📡 Detection & Monitoring
Log Indicators:
- Browser crash logs or process termination events in system logs.
- Unexpected browser restarts reported by users.
Network Indicators:
- Traffic to suspicious domains that might host exploit code, though exploitation is client-side.
SIEM Query:
Example: event.category:process AND process.name:"Honor Browser" AND event.outcome:failure