Linksys EA8100: Remote improper initialization in SMB Service (CVE-2026-127277)
A critical vulnerability in the Linksys EA8100 SMB service allows remote attackers to trigger improper initialization via manipulation of the ANON_ACCESS argument.
CVE search metadata
CVE search record: CVE-2026-127277. Severity: critical. CVSS: 10.0. KEV: no. Product: EA8100. Brief: Linksys EA8100: Remote improper initialization in SMB Service (CVE-2026-127277). Brief link: https://feed.craftedsignal.io/briefs/2026-11-linksys-ea8100-cve-2026-127277/
Triage facts
Revision 1- Applicability
- EA8100
- Evidence
- Unknown
- Severity
- Critical
- Sources
- 1 public source
- Freshness
- Revision 1Nov 13, 02:44 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
CVE-2026-127277 describes a vulnerability in the SMB Service component of the Linksys EA8100 router, specifically within the etc/init.d/service_smbd.sh file. An attacker can remotely manipulate the ANON_ACCESS argument to trigger improper initialization. The vendor did not respond to disclosure efforts.
Impact
This vulnerability carries a CVSS v3.1 base score of 10.0.
Recommendation
Review the configuration of the SMB Service on affected Linksys EA8100 devices.