What the developer wrote
Authored by Roman Zeyde
chore: update embedded secmon for T3W1
[no changelog]
(cherry picked from commit aecac16bb1261988d146079e9ab235056cee422e)
What changed, and why it matters
This commit replaces a binary firmware component called 'secmon.bin' for the T3W1 hardware model. The change is a binary blob update with no source code diff, no changelog entry, and no description of what changed inside the file. There is not enough public information to determine whether this is a security fix, a routine update, or something else.
Treat as unclassified. If reviewing for security, request the vendor to publish the corresponding source changes, build reproducibility artifacts, a changelog entry, and a statement of whether this update addresses any security issue. Do not score or classify this commit as a vulnerability based solely on the binary diff.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The commit updates core/embed/models/T3W1/secmon/secmon.bin, a binary secure-monitor image for the T3W1 model. The diff only shows that the binary file changed; no source differences, symbols, hashes, or release notes are provided. The term ‘secmon’ typically refers to a secure monitor (EL3 firmware), which is security-critical, but the commit message frames this as a routine ‘chore’ with ‘[no changelog]’.
Changed components
core/embed/models/T3W1/secmon/secmon.binInspect captured patch +0 / −0
diff --git a/core/embed/models/T3W1/secmon/secmon.bin b/core/embed/models/T3W1/secmon/secmon.bin
index 237c95ce1..0eb55465b 100644
Binary files a/core/embed/models/T3W1/secmon/secmon.bin and b/core/embed/models/T3W1/secmon/secmon.bin differ
Why this scored 0/100
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