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Vulnerabilities

Security fix · CVE-2025-20722

In gnss driver, there is a possible out of bounds read due to an integer overflow.

Published Oct 14, 2025 · catalog updated Oct 14, 2025 · MediaTek, Inc. MT6835, MT6878, MT6886, MT6897, MT6899, MT6980D, MT6985, MT6989, MT6990, MT6991, MT8676, MT8678, MT8775, MT8791T, MT8796, MT8873

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-20722. EPSS is 0.09%. Act only if a listed version of MediaTek, Inc. MT6835, MT6878, MT6886, MT6897, MT6899, MT6980D, MT6985, MT6989, MT6990, MT6991, MT8676, MT8678, MT8775, MT8791T, MT8796, MT8873 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.09%
Remediation
Advisory link
Affected products
vendor MediaTek, Inc. MT6835, MT6878, MT6886, MT6897, MT6899, MT6980D, MT6985, MT6989, MT6990, MT6991, MT8676, MT8678, MT8775, MT8791T, MT8796, MT8873 Android 14.0, 15.0 / openWRT 21.02,

In gnss driver, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09920036; Issue ID: MSV-3798.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor MediaTek, Inc. MT6835, MT6878, MT6886, MT6897, MT6899, MT6980D, MT6985, MT6989, MT6990, MT6991, MT8676, MT8678, MT8775, MT8791T, MT8796, MT8873 Android 14.0, 15.0 / openWRT 21.02, Android 14.0, 15.0 / openWRT 21.02, 23.05 / RDKB 24Q1

How to fix CVE-2025-20722

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-20722. EPSS is 0.09%. Act only if a listed version of MediaTek, Inc. MT6835, MT6878, MT6886, MT6897, MT6899, MT6980D, MT6985, MT6989, MT6990, MT6991, MT8676, MT8678, MT8775, MT8791T, MT8796, MT8873 is installed.

Which versions are affected?

Compare what you have installed with MediaTek, Inc. MT6835, MT6878, MT6886, MT6897, MT6899, MT6980D, MT6985, MT6989, MT6990, MT6991, MT8676, MT8678, MT8775, MT8791T, MT8796, MT8873 Android 14.0, 15.0 / openWRT 21.02, Android 14.0, 15.0 / openWRT 21.02, 23.05 / RDKB 24Q1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.09%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2025 · EUVD

    Detected

    In gnss driver, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09920036; Issue ID: MSV-3798.

  2. Oct 14, 2025 · EUVD

    Updated

    In gnss driver, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09920036; Issue ID: MSV-3798.

Sources

  • CVE.orgVulnerability recordCVE-2025-20722

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-20722

    30-day exploitation probability 0.09%

    first.org
  • EUVDVulnerability recordEUVD-2025-34168

    In gnss driver, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09920036; Issue ID: MS

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 26, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026