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CVE-2025-20722

21
FAUCET Score

CVE-2025-20722 is an integer overflow vulnerability in the gnss driver, potentially leading to an out-of-bounds read and local information disclosure. This flaw affects products from Google, MediaTek, OpenWrt, and RDKCentral. With a CVSS score of 5.5 (Medium), exploitation requires System privileges and local access, but no user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2024q1CPE matchmatch criteria
cpe:2.3:a:rdkcentral:rdk-b:2024q1:*:*:*:*:*:*:*
14.0CPE matchmatch criteria
cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*
21.02.0CPE matchmatch criteria
cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
23.05CPE matchmatch criteria
cpe:2.3:o:openwrt:openwrt:23.05:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.08%
Probability of exploitation in next 30 days
EPSS Percentile
0.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0008 is in the 2nd percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

corp.mediatek.com / product-security-bulletin/October-2025
Vendor Advisory