CVE-2023-43757
Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2023-43757- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2023-43757- Updated
- 2026-11-02
EUVDEUVD-2023-48134
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.
- Record
EUVD-2023-48134- CVSS
- 0.0 None
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hjvf-vwpv-9g29
Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and...
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.
- Record
GHSA-hjvf-vwpv-9g29- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
Affected products
- elecom lan-w300n\/p firmware
- elecom lan-w300n\/rs firmware
- elecom lan-w301nr firmware
- elecom lan-wh300n\/dgp firmware
- elecom lan-wh300ndgpe firmware
- elecom wrc-1167ghbk2 firmware
- elecom wrc-1167ghbk firmware
- elecom wrc-1750ghbk-e firmware
- elecom wrc-1750ghbk2-i firmware
- elecom wrc-1750ghbk firmware
- elecom wrc-2533ghbk-i firmware
- elecom wrc-2533ghbk2-t firmware
Show 56 moreShow less
- elecom wrc-300febk firmware
- elecom wrc-300ghbk2-i firmware
- elecom wrc-300ghbk firmware
- elecom wrc-733febk firmware
- elecom wrc-733ghbk-c firmware
- elecom wrc-733ghbk-i firmware
- elecom wrc-733ghbk firmware
- elecom wrc-f1167acf firmware
- elecom wrc-f300nf firmware
- elecom wrh-150bk firmware
- elecom wrh-150wh firmware
- elecom wrh-300bk-s firmware
- elecom wrh-300bk2-s firmware
- elecom wrh-300bk firmware
- elecom wrh-300rd firmware
- elecom wrh-300sv firmware
- elecom wrh-300wh-h firmware
- elecom wrh-300wh-s firmware
- elecom wrh-300wh2-s firmware
- elecom wrh-300wh firmware
- elecom wrh-h300bk firmware
- elecom wrh-h300wh firmware
- elecom co.,ltd. lan-w300n/p
- elecom co.,ltd. lan-w300n/rs
- elecom co.,ltd. lan-w301nr
- elecom co.,ltd. lan-wh300n/dgp
- elecom co.,ltd. lan-wh300ndgpe
- elecom co.,ltd. wrc-1167ghbk
- elecom co.,ltd. wrc-1167ghbk2
- elecom co.,ltd. wrc-1750ghbk
- elecom co.,ltd. wrc-1750ghbk-e
- elecom co.,ltd. wrc-1750ghbk2-i
- elecom co.,ltd. wrc-2533ghbk-i
- elecom co.,ltd. wrc-2533ghbk2-t
- elecom co.,ltd. wrc-300febk
- elecom co.,ltd. wrc-300ghbk
- elecom co.,ltd. wrc-300ghbk2-i
- elecom co.,ltd. wrc-733febk
- elecom co.,ltd. wrc-733ghbk
- elecom co.,ltd. wrc-733ghbk-c
- elecom co.,ltd. wrc-733ghbk-i
- elecom co.,ltd. wrc-f1167acf
- elecom co.,ltd. wrc-f300nf
- elecom co.,ltd. wrh-150bk
- elecom co.,ltd. wrh-150wh
- elecom co.,ltd. wrh-300bk
- elecom co.,ltd. wrh-300bk-s
- elecom co.,ltd. wrh-300bk2-s
- elecom co.,ltd. wrh-300rd
- elecom co.,ltd. wrh-300sv
- elecom co.,ltd. wrh-300wh
- elecom co.,ltd. wrh-300wh-h
- elecom co.,ltd. wrh-300wh-s
- elecom co.,ltd. wrh-300wh2-s
- elecom co.,ltd. wrh-h300bk
- elecom co.,ltd. wrh-h300wh
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | sharmashreejaa/CVE-2023-43757 | 2024-02-28 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-43757 is a medium vulnerability (CVSS 6.5) in Elecom Lan-w300n\/p Firmware, published November 16, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. No source names a fixed version.