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TI-2021-03864 Aliases CVE-2021-20637GHSA-58p8-f8cp-3h6p

Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/PR5B allows a…

Priority LOW 31Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/PR5B allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted URL.

Why it matters now

EPSS 0.01041 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
LOGITEC CORPORATIONLAN-W300N/PR5BLAN-W300N/PR5B—No fix listedCNA
  • LAN-W300N/PR5B VendorLOGITEC CORPORATION Affected LAN-W300N/PR5B Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:logitech:lan-w300n\/pr5b_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableLOGITEC CORPORATION
cpe:2.3:h:logitech:lan-w300n\/pr5b:-:*:*:*:*:*:*:*not specified by NVDRunning onLOGITEC CORPORATION
  • cpe:2.3:o:logitech:lan-w300n\/pr5b_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·LOGITEC CORPORATION
  • cpe:2.3:h:logitech:lan-w300n\/pr5b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·LOGITEC CORPORATION

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20637
  2. 2026-10-03 Alias added: GHSA-58p8-f8cp-3h6p

References

Advisory 2

  • TI-2021-03863 Cross-site request forgery in LOGITEC CORPORATION LAN-W300N/PR5B CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences