CVE-2025-20663

In wlan AP driver, there is a possible information disclosure due to an uncaught exception. This could lead to remote (proximal/adjacent) information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00408868; Issue ID: MSV-3031.

Published: 2025-04-07 Last update: 2025-04-11 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-20663 is rated Moderate Risk (42.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.45%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-20663

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.39% 0.45% +0.06%
2 2026-05-18 0.15% 0.39% +0.24%
3 2026-05-16 0.15%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-20663

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-20663

Affected software / configurations for CVE-2025-20663

Vendor Product Version Raw CPE
mediatek software_development_kit <= 7.4.0.1 cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*
mediatek mt7915 cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*
mediatek software_development_kit <= 7.6.7.2 cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*
mediatek mt7916 cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*
mediatek mt7981 cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*
mediatek mt7986 cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*

References for CVE-2025-20663

cvelogic Threat Intelligence