Medium severity6.8NVD Advisory· Published Feb 12, 2021· Updated Jun 17, 2026

CVE-2021-20640

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Logitech/Lan W300n\/pgrb Firmware
cpe:2.3:o:logitech:lan-w300n\/pgrb_firmware:-:*:*:*:*:*:*:*
LOGITEC CORPORATION/LAN-W300N/PGRBllm-create
ELECOM CO.,LTD./Lan W300n/pllm-fuzzy
LOGITEC CORPORATION/Lan W300n/drcpe-rescue
Range: LAN-W300N/PGRB

Patches

Vulnerability mechanics

References

jvn.jp/en/jp/JVN96783542/index.htmlnvdThird Party Advisory
www.elecom.co.jp/news/security/20210126-01/nvdVendor Advisory
lists.apache.org/thread.html/rc1778b38e74b5b6142414d57623bd55b023a72361f422836782fca3c%40%3Cdev.tomcat.apache.org%3Envd

News mentions

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cvss	0.442
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000