Track vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
8.1
CVE-2025-20727: Mediatek modem firmware may let attacker take control
CVE-2025-20727 · published 11 months ago
Summary
The modem software used in Mediatek LR12A, NR15, NR16, NR17 and NR17R devices can be tricked by a fake cell tower into giving an attacker full control of the device. This can happen without the user doing anything. Install the latest firmware update from Mediatek to fix the issue.
What to do
- Update google :unknown: to version SoCVersion:2025-12-05.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| – | mediatek | lr12a |
All versions
cpe:2.3:o:mediatek:lr12a:-:*:*:*:*:*:*:* |
| – | mediatek | nr15 |
All versions
cpe:2.3:o:mediatek:nr15:-:*:*:*:*:*:*:* |
| – | mediatek | nr16 |
All versions
cpe:2.3:o:mediatek:nr16:-:*:*:*:*:*:*:* |
| – | mediatek | nr17 |
All versions
cpe:2.3:o:mediatek:nr17:-:*:*:*:*:*:*:* |
| – | mediatek | nr17r |
All versions
cpe:2.3:o:mediatek:nr17r:-:*:*:*:*:*:*:* |
| Android | :unknown: |
>= SoCVersion:0, < SoCVersion:2025-12-05 Fix: upgrade to SoCVersion:2025-12-05
|
Original advisory text
ASB-A-442295794
In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01672601; Issue ID: MSV-4623.
References
- https://corp.mediatek.com/product-security-bulletin/November-2025 Vendor Advisory
- https://source.android.com/security/bulletin/2025-12-01 Vendor Advisory
Internet-facing
3 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically
- Gives an attacker full control
Type
CWE-787Out-of-bounds Write
Timeline
Published1 Dec 2025
Updated4 Nov 2026
First seen7 Mar 2026
Track software like this
Free during beta