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Fencer Vulns
critical 9.8

CVE-2022-26447 json

In BT firmware, there is a possible out of bounds write due to a missing bounds check.

published 2022-09-06 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-31006

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

In BT firmware, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06784478; Issue ID: ALPS06784478.

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • MediaTek, Inc. MT6580, MT6735, MT6737, MT6739, MT6750S, MT6753, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6763, MT6771, MT8163, MT8167, MT8167S, MT8173, MT8183, MT8321, MT8362A, MT8385, MT8518, MT8532, MT8765, MT8788

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.