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CVE-2026-127277Linksys 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/service_smbd.sh of the component SMB Service. Performing a manipulation of the argument ANON_ACCESS 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.
10.0 CRITICALNot in KEVNVD: Deferred
Overview
Severity
| Score | Severity | Version | Technologies Affected |
|---|---|---|---|
| 10.0 | CRITICAL | 4.0VulDB (CNA) | |
| 9.3 | CRITICAL | 4.0VulDB (CNA) | |
| 10.0 | CRITICAL | 3.1VulDB (CNA) | |
| 10.0 | CRITICAL | 3.1VulDB (CNA) | |
| 10.0 | CRITICAL | 3.0VulDB (CNA) | |
| 10.0 | HIGH | 2.0VulDB (CNA) | |
| 10.0 | HIGH | 2.0VulDB (CNA) |
Details
- CVE ID
- CVE-2026-127277
- Status
- Deferred
- Assigner (CNA)
- VulDB
- Published
- Nov 13, 2026
- Last modified
- 2026-11-13 02:18 UTC
- Weaknesses
- CWE-665 · Improper Initialization
Affected Products
As published by the CNA in the CVE record.
LinksysEA81001 version range
- 1.0.3.216940
References
- github.com https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-5-smb-anonymous-access-mapped-to-the-admin-account-when-anonymous-access-is-enabled
- vuldb.com https://vuldb.com/cve/CVE-2026-127277
- vuldb.com https://vuldb.com/submit/1040999
- vuldb.com https://vuldb.com/vuln/436432
- vuldb.com https://vuldb.com/vuln/436432/cti
- linksys.com https://www.linksys.com/