this post was submitted on 29 Sep 2025
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It is mitigated in 2.6.11 https://github.com/meshtastic/firmware/releases/tag/v2.6.11.60ec05e. When I re-generate keys on a node I get warnings that the public key of that node is changed, and I need to delete the node and wait for the next advertisement to update it. I haven't tried running meshmarauder myself to see if the user profile tampering still works, if they sign and check the updates correctly I don't see why that would still be broken. The other impersonation stuff does not seem to be released yet.
That said, I think Mestastic works as a kind of hobby, out of band public communication network first and foremost. Even in that kind of setting, knowing who sent which message is valuable, but not a deal breaker in my opinion. Not sure I'd trust it as a network for encrypted person to person messaging. And to be fair, compared to "normal" HAM, any kind of attestation is a bonus. And it's license free and relatively cheap to get into.