CVE-2026-19971

5.3 MEDIUM 0.4% exploit odds No fix listed Auth & access

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-08-17 02:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-08-20 12:48 UTC Last updatedMost recent change to the record

Details

Published: 2026-08-17 02:16 UTC
Last modified: 2026-08-20 12:48 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-287 · Improper authentication
Record status: Deferred

Attack profile CVSS 4.0 · 5.3

Attack vector: Adjacent network
Complexity: Low
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: Low
Integrity: None
Availability: None

Raw 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Download Square Reddit

References

NVD record · CVE.org record