CVE-2026-19971

LB-Link WR1210M Backup Endpoint backup.cgi main missing authentication

Assigner: VulDB
Reserved: 16.08.2026 Published: 17.08.2026 Updated: 17.08.2026

A flaw has been found in LB-Link WR1210M 1.0.3. This impacts the function main of the file /www/cgi-bin/backup.cgi of the component Backup Endpoint. This manipulation causes missing authentication. The attack is only possible within the local network. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	Low	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:X/RL:X/RC:R
CVSS Score: 4.7

Attack Vector	Adjacent Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:X/RL:X/RC:R
CVSS Score: 4.7

Attack Vector	Adjacent Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.0

CVSS Vector: AV:A/AC:L/Au:N/C:P/I:N/A:N/E:ND/RL:ND/RC:UR
CVSS Score: 3.3

Access Vector	Adjacent Network	Confidentiality Impact	Partial
Access Complexity	Low	Integrity Impact	None
Authentication	None	Availability Impact	None

CVSS 2.0

Product Status

Vendor	LB-Link
Product	WR1210M
Versions	Version 1.0.3 is affected

Vendor

LB-Link

Product

WR1210M

Versions

Version 1.0.3 is affected

Credits

m1nkvpm (VulDB User) reporter
VulDB CNA Team coordinator

References

Problem Types