CVE-2025-20664: In wlan AP driver, there is a possible information disclosure due to an uncaught exception

Q: How do I fix CVE-2025-20664?

software development kit: upgrade to newer than 8.2.1.4; mt7915: mitigate or apply the listed mitigation; mt7916: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2025-20664 being exploited?

CVE-2025-20664 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-20664 affect?

CVE-2025-20664 affects software development kit, mt7915, mt7916. Severity is high (CVSS 7.5). 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

Q: How urgent is CVE-2025-20664?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADEMITIGATEMITIGATE

CVE-2025-20664 is a high-severity flaw (CVSS 7.5) affecting software development kit, mt7915, mt7916. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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: WCNCR00406217; Issue ID: MSV-2773.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 54%)
CISA exploited list	No
Weakness	CWE-248
Published	2025-04-07
Last modified	2026-06-17

Publisher (CNA): MediaTek, Inc. · Vendor: mediatek

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-07 04:15 UTCPublished CVE record published
2026-06-17 08:41 UTCUpdated Record last modified

mediatek software development kit UPGRADE

Affected: <= 7.4.0.1 · <= 7.6.7.2 · <= 8.2.1.4

Fixed in: newer than 8.2.1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy software-development-kit || rpm -q software-development-kit || software-development-kit --version

2. UPGRADE to newer than 8.2.1.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade software-development-kit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade software-development-kit

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

mediatek mt7915 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

mediatek mt7916 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

mediatek mt7981 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

mediatek mt7986 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

mediatek mt7990 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-20664?

software development kit: upgrade to newer than 8.2.1.4; mt7915: mitigate or apply the listed mitigation; mt7916: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-20664 being exploited?

CVE-2025-20664 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-20664 affect?

CVE-2025-20664 affects software development kit, mt7915, mt7916. Severity is high (CVSS 7.5). 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

How urgent is CVE-2025-20664?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-20742 HIGH 8.0 UPGRADE MITIGATE In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check
CVE-2025-20728 HIGH 7.8 DOWNGRADE In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check
CVE-2025-20733 HIGH 7.8 UPGRADE MITIGATE In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check
CVE-2025-20735 HIGH 7.8 UPGRADE MITIGATE In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check
CVE-2025-20737 HIGH 7.8 UPGRADE MITIGATE In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check

References

← Back to latest CVEs