CVE-2025-20654
Published: 07 April 2025
Summary
CVE-2025-20654 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Mediatek Software Development Kit. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 25.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
In wlan service, an out-of-bounds write vulnerability exists due to an incorrect bounds check, tracked as CVE-2025-20654 with CWE-787. The flaw affects MediaTek wireless LAN components and carries a CVSS 3.1 score of 9.8, indicating critical severity.
An unauthenticated attacker can exploit the issue remotely over the network without user interaction or additional privileges, resulting in remote code execution on the target device.
The MediaTek April 2025 product security bulletin lists Patch ID WCNCR00406897 as the fix for Issue ID MSV-2875. The associated EPSS score remains low, with a current value of 0.0078 and a peak of 0.0149.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-9958
Vulnerability details
In wlan service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00406897;…
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Issue ID: MSV-2875.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.