CVE-2021-20640 json
Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command…
published 2021-02-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8058
- cvss
- 6.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command via unspecified vectors.
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.8 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.7 | AV:A/AC:L/Au:S/C:C/I:C/A:C |
Affected products
- LOGITEC CORPORATION LAN-W300N/PGRB
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
elecom.co.jp
/news/security/20210126-01/
vendor-advisory
-
jvn.jp
/en/jp/JVN96783542/index.html
third-party-advisory
-
lists.apache.org
/thread.html/rc1778b38e74b5b6142414d57623bd55b023a72361f422836782fca3c%40%3Cdev.tomcat.apache.org%3E
mailing-list
Sources
- CVE List CVE-2021-20640
- NVD CVE-2021-20640
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