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8.8 High

CVE-2026-20430 In wlan AP FW, there is a possible out of bounds write due to an incorrect bounds check

Description

In wlan AP FW, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00467553; Issue ID: MSV-5151.

Affected products and versions

Product Affected versions Fixed in
MT6890 Versions not published
MT7915 Versions not published
MT7916 Versions not published
MT7981 Versions not published
MT7986 Versions not published
MediaTek chipset Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of MT6890

The 18 CVEs of MT6890 →
CVE-2026-20435 In preloader, there is a possible read of device unique identifiers due to a logic error 4.6 Medium CVE-2026-20434 In Modem, there is a possible out of bounds write due to a missing bounds check 7.5 High CVE-2026-20419 In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception 6.5 Medium CVE-2026-20408 In wlan, there is a possible out of bounds write due to a heap buffer overflow 8.8 High
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