🕵️ RESEARCH & DEEP DIVES
- Unisoc VoLTE Exploit Chain Enables Full Android Kernel Access
Researchers demonstrated full Android kernel access through a Unisoc VoLTE video call exploit chain.- Affected devices use Unisoc modem firmware, including Motorola E13, Realme C33, and Xiaomi Redmi A5.
- Tested versions included Xiaomi Redmi A5 with the 2026-01-01 patch, Motorola E13 with the 2025-02-01 patch, and Realme C33 with the July 2025 update.
- A malformed SIP video call first enables code execution in the modem context.
- The exploit disables protections on MPU region 0, granting modem code read, write, and execute access across the 32-bit physical address space.
- Completing the chain requires attacker-controlled VoLTE infrastructure and a victim who answers the video call; no vendor fix was reported.
Sources 📎 Coverage: darkreading.com · 👁 via Dark Reading
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