CVE-2023-43757
No known exploitation. EPSS puts it in the 40th percentile. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.5% chance of exploitation activity in the next 30 days, which ranks it in the 40th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 371 days, from the signal feeds we watch.
- Record updated
- Publishedweakness classified, att&ck mapped
Affected products
- WRC-2533GHBK2-TNetworking Infrastructure
- WRC-2533GHBK-INetworking Infrastructure
- WRC-1750GHBK2-INetworking Infrastructure
- WRC-1750GHBK-ENetworking Infrastructure
- WRC-1750GHBKNetworking Infrastructure
- WRC-1167GHBK2Networking Infrastructure
- WRC-1167GHBKNetworking Infrastructure
- WRC-F1167ACFNetworking Infrastructure
- wrc-2533ghbk2-t firmwareNetworking Infrastructure
- wrc-2533ghbk-i firmwareNetworking Infrastructure
- wrc-1750ghbk2-i firmwareNetworking Infrastructure
- wrc-1750ghbk-e firmwareNetworking Infrastructure
- wrc-1750ghbk firmwareNetworking Infrastructure
- wrc-1167ghbk2 firmwareNetworking Infrastructure
- wrc-1167ghbk firmwareNetworking Infrastructure
- wrc-f1167acf firmwareNetworking Infrastructure
And 52 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Scored 6.5 by NVD.
How it is reached
- Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Credential AccessT1110Brute Forcemedium confidence
Sources
References in the record
- elecom.co.jp/news/security/20231114-01/
- elecom.co.jp/news/security/20230810-01/
- elecom.co.jp/news/security/20210706-01/
And 1 more reference. See all after sign-in
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