Missing Authentication Vulnerability in LB-Link WR1210M Router
CVE-2026-19971

5.3MEDIUM

Key Information:

Vendor

Lb-link

Status
Wr1210m
Vendor
CVE Published:
17 August 2026

What is CVE-2026-19971?

A security vulnerability has been identified in the LB-Link WR1210M router that allows unauthorized access due to missing authentication in the Backup Endpoint functionality. This flaw affects the main function of the /www/cgi-bin/backup.cgi file, presenting a risk for local network attacks. Although the vendor was alerted regarding this issue, there has been no response to address the vulnerability, leaving users potentially exposed.

Affected Version(s)

WR1210M 1.0.3

References

https://vuldb.com/vuln/391148
vdb-entrytechnical-description
https://vuldb.com/vuln/391148/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19971
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

m1nkvpm (VulDB User)
VulDB CNA Team
.