What is the CVSS score of CVE-2022-26443?

CVE-2022-26443 has a CVSS 3.1 base score of 6.7 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Mt7603 Firmware CVE-2022-26443

MEDIUM

Out-of-bounds Write (CWE-787)

2022-08-01 security@mediatek.com

Memory Corruption Privilege Escalation Buffer Overflow Mt7603 Firmware Mt7610 Firmware Mt7612 Firmware Mt7613 Firmware Mt7615 Firmware Mt7620 Firmware Mt7622 Firmware Mt7628 Firmware Mt7629 Firmware Mt7915 Firmware Mt7916 Firmware Mt7986 Firmware Mt8981 Firmware

6.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.7 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 01, 2022 - 14:15 nvd

MEDIUM 6.7

DescriptionNVD

In wifi driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220420068; Issue ID: GN20220420068.

AnalysisAI

In wifi driver, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. In wifi driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220420068; Issue ID: GN20220420068. Affected products include: Mediatek Mt7603 Firmware, Mediatek Mt7610 Firmware, Mediatek Mt7612 Firmware, Mediatek Mt7613 Firmware, Mediatek Mt7615 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).