What is CVE-2023-43757?

CVE-2023-43757 is a medium-severity vulnerability in Elecom Lan-W300n\/p, classified under Inadequate Encryption Strength. CVSS score: 6.5/10. Published 2023-11-16.

How severe is CVE-2023-43757?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-43757 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Elecom Lan-W300n\/p

CVE-2023-43757

Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and LOGITEC CORPORATION allows a network-adjacent unauthenticated attacker to guess the encryption key used for wireless LAN communication and intercept the communication. As for the affected products/versions, see the information provided by the vendor under [References] section.

EPSS: 0.005 (39.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

Public proof-of-concept exploits

References

vultures@jpcert.or.jp (Third Party Advisory)
vultures@jpcert.or.jp (Third Party Advisory)
vultures@jpcert.or.jp (Third Party Advisory)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2023-43757?: CVE-2023-43757 is a medium-severity vulnerability in Elecom Lan-W300n\/p, classified under Inadequate Encryption Strength. CVSS score: 6.5/10. Published 2023-11-16.
How severe is CVE-2023-43757?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-43757 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.