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## https://sploitus.com/exploit?id=8EAC8464-5E20-5D8D-BCB0-854ECEEBB2F3
# CVE-2025-48593
"A single malicious packet can own your device." โ Android Security Team, Nov 2025
# CVE-2025-48593 Zero-Click Remote Code Execution in Android System
> "A single malicious packet can own your device." โ Android Security Team, Nov 2025
---
## Vulnerability Snapshot
| Attribute | Details |
| ------------------- | --------------------------------- |
| CVE ID | CVE-2025-48593 |
| Severity | Critical (RCE, Zero-Click) |
| CVSS (Est.) | 9.8 (Pending NVD confirmation) |
| Attack Vector | Network (Remote) |
| User Interaction | โ None Required |
| Privileges Required | โ None |
| Exploit Status | No public PoC (as of Nov 4, 2025) |
---
## โ ๏ธ Affected Devices & Versions
* Android 13 (All builds Oct 2023 โ Oct 2025)
* Android 14 (All builds Oct 2023 โ Oct 2025)
* Android 15 (All builds up to Oct 2025)
* โ ๏ธ Android 16 (Builds Jul 2025 โ Oct 2025)
> Unpatched devices are fully exposed.
---
## โก How It Works (Technical Breakdown)
```c
// Simplified pseudocode of vulnerable path
void process_system_packet(Packet *p) {
if (p->type == MALICIOUS_TYPE) {
// โ ๏ธ No bounds check!
memcpy(kernel_buffer, p->payload, p->size); // CVE-2025-48593
execute_payload(); // RCE achieved
}
}
```
Root Cause:
> Improper input validation in the `System` component allows remote attackers to overflow buffers and inject executable code.
---
## Immediate Mitigation Steps
```bash
# 1. Check your patch level
adb shell getprop ro.build.version.security_patch
# โ Should show: 2025-11-01 or 2025-11-05
```
### User Actions
1. Update Now
โ๏ธ Settings โ System โ System Update
2. Enable Play Protect
Google Play โ Play Protect โ Scan
3. Avoid Untrusted Networks
Disable Wi-Fi/Bluetooth in public
### Enterprise / OEM
* Apply 2025-11-05 security patch via AOSP
* Monitor: Android Security Bulletin โ November 2025
---
## Related CVEs (Same Bulletin)
| CVE | Severity | Type | Affected |
| ---------------- | -------: | ---- | --------------- |
| `CVE-2025-48581` | High | EoP | Android 16 only |
---
## Stay Updated
* NVD Entry: nvd.nist.gov/vuln/detail/CVE-2025-48593
* Android Bulletin: source.android.com/security/bulletin
* AOSP Patch: Search `CVE-2025-48593` in Android Git
---
# CVE-2025-48593 Exploitation Schema
### Zero-Click Remote Code Execution in Android System
```mermaid
%%{init: {'theme': 'base', 'themeVariables': { 'fontSize': '13px', 'fontFamily': 'Consolas, monospace', 'primaryColor': '#d32f2f', 'primaryTextColor': '#fff', 'lineColor': '#ff8a80', 'secondaryColor': '#1976d2'}}}%%
sequenceDiagram
participant Attacker as Attacker
participant Network as Network
participant Device as Android Device
participant Kernel as Kernel Space
Attacker->>Network: Send Malicious Packet(No authentication)
Network->>Device: Deliver Packet(Zero interaction)
Device->>Device: process_system_packet(pkt)
Note over Device: โ ๏ธ No bounds check!
Device->>Kernel: memcpy(kernel_buffer, payload, size)
Kernel-->>Device: Buffer Overflow
Device->>Kernel: Execute Injected Code
Kernel->>Attacker: Remote Shell / Data Exfiltration
Note over Device,Kernel: Full RCE Achieved
```
---
## Technical Attack Chain
| Stage | Action | Requirement |
| -----------------: | --------------------------------------- | ----------------------- |
| 1. Packet Crafting | Attacker builds malformed system packet | None |
| 2. Transmission | Sent over Wi-Fi, Bluetooth, or cellular | Network access |
| 3. Reception | Device receives packet (no user action) | Unpatched Android 13โ16 |
| 4. Processing | `System` component parses input | Vulnerable code path |
| 5. Overflow | `memcpy()` writes beyond buffer | Input validation flaw |
| 6. Execution | Shellcode runs in kernel context | Zero-click RCE |
| 7. Persistence | Install malware, exfiltrate data, pivot | Full control |
---
## ๐ก๏ธ Defense-in-Depth Schema
```mermaid
graph LR
subgraph "Prevention Layers"
P1[ Apply Nov 2025 Patch]
P2[ Disable Unused Radios]
P3[๏ธ Google Play Protect]
P4[ Avoid Public Wi-Fi]
end
subgraph "Detection"
D1[ Monitor Anomalous Traffic]
D2[โ ๏ธ Watch for Kernel Crashes]
D3[ Endpoint Forensics]
end
subgraph "Response"
R1[ Isolate Device]
R2[ Force OTA Update]
R3[ Report to Google/OEM]
end
P1 & P2 & P3 & P4 --> D1 & D2 & D3 --> R1 & R2 & R3
style P1 fill:#1b5e20, color:#fff
style R1 fill:#b71c1c, color:#fff
```
---
## Patch Application Flow
```mermaid
%%{init: {'theme': 'neutral'}}%%
graph TD
A[Google Releases PatchNov 1/5, 2025] --> B{OEM Integration}
B --> C[Samsung, OnePlus, etc.]
B --> D[Google Pixel]
C --> E[Monthly Security Update]
D --> F[Pixel OTA Push]
E & F --> G[User Installs Update]
G --> H[Patch Level: 2025-11-01+]
```