CVE-2026-19971: LB-Link WR1210M · Missing Authentication
Affects LB-Link WR1210MSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 14 Nov 2026, 20:44 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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:XExploitation evidence
Disclosed: evidence found.
CVE published 17 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
Public exploit code: GitHub proofs of concept
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LB-LinkWR1210M | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:lb-link:wr1210m:*:*:*:*:*:*:*:*
AI-suggested
Since the vendor has not responded or provided a fix, network segmentation to restrict local network access to the device and monitoring for suspicious activity around the backup endpoint are recommended interim measures.
Description
CVE-2026-19971 is a medium severity vulnerability in LB-Link WR1210M version 1.0.3. It involves missing authentication in the Backup Endpoint function main within /www/cgi-bin/backup.cgi. The flaw allows an attacker on the local network to access this functionality without authentication. The vendor has not responded to disclosure and no patch or official remediation is currently available.