CVE-2023-43757
MEDIUMCVSS 6.5/10EPSS 0.50%
Last modified
CVE-2023-43757 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Elecom | Wrc-2533ghbk2-T Firmware | All versions |
| Elecom | Wrc-2533ghbk-I Firmware | All versions |
| Elecom | Wrc-1750ghbk2-I Firmware | All versions |
| Elecom | Wrc-1750ghbk-E Firmware | All versions |
| Elecom | Wrc-1750ghbk Firmware | All versions |
| Elecom | Wrc-1167ghbk2 Firmware | All versions |
| Elecom | Wrc-1167ghbk Firmware | All versions |
| Elecom | Wrc-F1167acf Firmware | All versions |
| Elecom | Wrc-733ghbk Firmware | All versions |
| Elecom | Wrc-733ghbk-I Firmware | All versions |
| Elecom | Wrc-733ghbk-C Firmware | All versions |
| Elecom | Wrc-300ghbk2-I Firmware | All versions |
| Elecom | Wrc-300ghbk Firmware | All versions |
| Elecom | Wrc-733febk Firmware | All versions |
| Elecom | Wrc-300febk Firmware | All versions |
| Elecom | Wrc-F300nf Firmware | All versions |
| Elecom | Wrh-300wh-H Firmware | All versions |
| Elecom | Wrh-300bk Firmware | All versions |
| Elecom | Wrh-300wh Firmware | All versions |
| Elecom | Wrh-300rd Firmware | All versions |
| Elecom | Wrh-300sv Firmware | All versions |
| Elecom | Wrh-300bk-S Firmware | All versions |
| Elecom | Wrh-300wh-S Firmware | All versions |
| Elecom | Wrh-300bk2-S Firmware | All versions |
| Elecom | Wrh-300wh2-S Firmware | All versions |
| Elecom | Wrh-H300bk Firmware | All versions |
| Elecom | Wrh-H300wh Firmware | All versions |
| Elecom | Wrh-150bk Firmware | All versions |
| Elecom | Wrh-150wh Firmware | All versions |
| Elecom | Lan-W300n\/Rs Firmware | All versions |
| Elecom | Lan-W301nr Firmware | All versions |
| Elecom | Lan-W300n\/P Firmware | All versions |
| Elecom | Lan-Wh300n\/Dgp Firmware | All versions |
| Elecom | Lan-Wh300ndgpe Firmware | All versions |
References
- https://jvn.jp/en/vu/JVNVU94119876/Third Party Advisory
- https://www.elecom.co.jp/news/security/20210706-01/Third Party Advisory
- https://www.elecom.co.jp/news/security/20230810-01/Third Party Advisory
- https://www.elecom.co.jp/news/security/20231114-01/Third Party Advisory
- https://jvn.jp/en/vu/JVNVU94119876/Third Party Advisory
- https://www.elecom.co.jp/news/security/20210706-01/Third Party Advisory
- https://www.elecom.co.jp/news/security/20230810-01/Third Party Advisory
- https://www.elecom.co.jp/news/security/20231114-01/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2023-43757?
CVE-2023-43757 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2023-43757?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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