In wifi driver, there is a possible system crash due to a missing validation check.
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In wifi driver, there is a possible system crash due to a missing validation check. This could lead to remote denial of service from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20190426015; Issue ID: GN20190426015.
Why it matters now
EPSS 0.00629 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mediatek:mt7615_firmware:4.4.1.1:*:*:*:*:*:*:* | 4.4.1.1 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7615:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt7622_firmware:4.4.1.1:*:*:*:*:*:*:* | 4.4.1.1 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
- cpe:2.3:o:mediatek:mt7615_firmware:4.4.1.1:*:*:*:*:*:*:* Versions 4.4.1.1 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7615:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt7622_firmware:4.4.1.1:*:*:*:*:*:*:* Versions 4.4.1.1 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-41789
- 2026-10-03 Alias added: GHSA-q52m-g3r7-w437
- 2026-10-28 EPSS moved to the 50th–90th percentile
References
More MediaTek Mt7615 Firmware vulnerabilities
- TI-2022-14284 In Wi-Fi, there is a possible low throughput due to misrepresentation of critical… CVSS 3.1HIGH 7.5
- TI-2021-15469 MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices… CVSS 3.1HIGH 8.8
- TI-2021-15468 MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices… CVSS 3.1HIGH 8.8
- TI-2021-15460 MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices… CVSS 3.1HIGH 8.8
- TI-2021-15458 MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices… CVSS 3.1HIGH 8.8
- TI-2021-15457 MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices… CVSS 3.1HIGH 8.8
Sources
- CVE-2021-41789 · CVE Program
- CVE-2021-41789 · NVD
- FIRST EPSS
- GHSA-q52m-g3r7-w437 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences