TI-2021-03867 Aliases CVE-2021-20640 GHSA-56gf-wcqm-qvfm

Buffer overflow in LOGITEC CORPORATION LAN-W300N/PGRB

LOW 31CWE-120Published 2021-02-12 · Updated 2024-08-03

Key facts

Attack vector: Adjacent network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command via unspecified vectors.

Why it matters now

EPSS 0.0057 47th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
LOGITEC CORPORATION	LAN-W300N/PGRB	LAN-W300N/PGRB	—	No fix listed	CNA

LAN-W300N/PGRB VendorLOGITEC CORPORATION Affected LAN-W300N/PGRB Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:logitech:lan-w300n\/pgrb_firmware:-:::::::*	not specified by NVD	Vulnerable	LOGITEC CORPORATION
cpe:2.3:h:logitech:lan-w300n\/pgrb:-:::::::*	not specified by NVD	Running on	LOGITEC CORPORATION

cpe:2.3:o:logitech:lan-w300n\/pgrb_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·LOGITEC CORPORATION
cpe:2.3:h:logitech:lan-w300n\/pgrb:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·LOGITEC CORPORATION

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-20640
2026-10-03 Alias added: GHSA-56gf-wcqm-qvfm

References

Advisory 2

Other 1

[tomcat-dev] 20210712 svn commit: r1891484 - in /tomcat/site/trunk: docs/security-10.html docs/security-7.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-7.xml xdocs/security-8.xml xdocs/security-9.xml

TI-2021-03866 OS command injection in LOGITEC CORPORATION LAN-W300N/PGRB CVSS 3.1MEDIUM 6.8
TI-2021-03865 OS command injection in LOGITEC CORPORATION LAN-W300N/PGRB CVSS 3.1MEDIUM 6.8

Sources

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