CVE-2026-77057 boneIO CVE debrief

Who should care

Defenders responsible for deploying and managing boneIO devices, particularly those exposed to the internet or untrusted networks, should assess their exposure and prioritize remediation.

Why it matters

CVE-2026-77057 is a low-severity vulnerability in boneIO that allows unlimited brute-force login attempts, potentially compromising user accounts and gaining unauthorized access to the device. Defenders should prioritize verifying and remediating affected deployments, particularly those exposed to the internet or untrusted networks.

• Verify and remediate affected boneIO deployments to prevent potential brute-force login attempts
• Implement additional authentication rate limiting and password complexity measures to reduce risk
• Monitor for potential brute-force login attempts to detect potential exploitation
• Assess and prioritize remediation of affected deployments based on risk and exposure

Technical summary

boneIO Black does not limit authentication attempts on its web interface (POST /api/login) or SSH service, and does not enforce password complexity. An unauthenticated remote attacker can make unlimited brute-force login attempts, potentially compromising user accounts and gaining unauthorized access to the device. The issue was fixed in version 1.6.0, which implemented rate limiting for web login attempts per source address and per account, required panel passwords to be at least 8 characters long, and limited SSH to three authentication attempts per connection with a shortened login grace time.

Defensive priority

Defenders should prioritize verifying and remediating affected boneIO deployments, particularly those exposed to the internet or untrusted networks.

Recommended defensive actions

• Verify boneIO deployments for exposure to the internet or untrusted networks
• Check if boneIO version is less than 1.6.0 and remediate if necessary
• Implement additional authentication rate limiting and password complexity measures
• Monitor for potential brute-force login attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, but additional information on potential exploitation or affected deployments is limited. The source details indicate that boneIO Black does not limit authentication attempts on its web interface or SSH service and does not enforce password complexity. The CVE record was published on 2026-10-26T14:45:56.237Z and has not been modified since then. There are no specific details on the number of affected deployments or instances of exploitation. However, defenders should

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.