Medium severity · published Feb 12, 2021
CVE-2021-20637
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…
6.5
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LF
Lan-w300n/pr5b Firmware · Logitech
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20637
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20637
Third Party Advisory
https://jvn.jp/en/jp/JVN96783542/index.html
Vendor Advisory
https://www.elecom.co.jp/news/security/20210126-01/
More from Lan-w300n/pr5b Firmware
6.5
CVE-2021-20636
Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/PR5B allows remote attackers to hijack the authentication of administrators via a specially crafted URL