CVE-2026-127277: Linksys EA8100 SMB Service service_smbd.sh initialization
A security flaw has been discovered in Linksys EA8100 1.0.3.216940. The affected element is an unknown function of the file etc/init.d/servicesmbd.sh of the component SMB Service. Performing a manipulation of the argument ANONACCESS results in improper initialization. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
Which devices are known to be affected?
The disclosed affected product is Linksys EA8100 running firmware version 1.0.3.216940. The available information does not identify other models or firmware versions.
Does exploitation require authentication or user interaction?
No. The vulnerability is described as remotely exploitable with no privileges or user interaction required, through manipulation of the ANON_ACCESS argument in the SMB service initialization script.
Is public exploit code available?
Yes. The disclosure states that an exploit has been released publicly and may be used in attacks.
Is a vendor fix or response available?
No vendor response is described. The vendor was contacted before disclosure but reportedly did not respond; the provided information does not identify a patch or workaround.