CVE-2021-37386
HIGH
7.5
CVSS Score
Published: July 17, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 04:00 AM UTC
8 products affected across 1 vendorLd421-21wv FirmwareLd420-10r FirmwareLd421-21w Firmware
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
Description
Furukawa Electric LatAm 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.2.0
Affected range stops below 1.2.0, so it looks safe — our inference, not a vendor statement
furukawa-423-41w-ac (same device)
v < 1.4.0
Affected range stops below 1.4.0, so it looks safe — our inference, not a vendor statement
furukawa-ld420-10r (same device)
v < 1.5.0
Affected range stops below 1.5.0, so it looks safe — our inference, not a vendor statement
furukawa-ld421-21w (same device)
v < 1.5.0
Affected range stops below 1.5.0, so it looks safe — our inference, not a vendor statement
furukawa-ld421-21wv (same device)
423-41W/Ac· Furukawadevice
80%All versions
Ld420-10R· Furukawadevice
80%All versions
Ld421-21W· Furukawadevice
80%All versions
Ld421-21Wv· Furukawadevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (4)
SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card