CVE-2021-20642
mediumpriority · track · 26EPSS 0.010 · 64 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.03% (64th) EPSS
CVSS 4.3 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-28
Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/RS allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted URL.
01
cvss
Technical severity, 0–10. One row per scoring source.
6.5
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6
02
weaknesses
The CWE weakness classes this flaw belongs to.
CWE-391USLLM-inferred
03
affected products (2)
Products and version ranges known to be affected.
- logitech lan-w300n/rs firmwareall versionsnvdUScpe:2.3:o:logitech:lan-w300n\/rs_firmware:*:*:*:*:*:*:*:*
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
06
references (8)
External citations — patches, advisories, analysis.
- https://jvn.jp/en/jp/JVN96783542/index.htmlcnnvd
- https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000010.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-20642cnnvd
- https://www.elecom.co.jp/news/security/20210126-01/cnnvd
- https://jvn.jp/en/jp/JVN96783542/index.htmlenisa_euvd
- https://www.elecom.co.jp/news/security/20210126-01/enisa_euvd
- https://jvn.jp/en/jp/JVN96783542/index.htmlThird Party Advisorynvd
- https://www.elecom.co.jp/news/security/20210126-01/Vendor Advisorynvd
scry
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