CVE-2023-32620 — Improper authentication vulnerability in WL-WN531AX2 firmware versions prior to

Improper authentication vulnerability in WL-WN531AX2 firmware versions prior to 2023526 allows a network-adjacent attacker to obtain a password for the wireless network.

01What is this vulnerability?

Improper authentication vulnerability in WL-WN531AX2 firmware versions prior to 2023526 allows a network-adjacent attacker to obtain a password for the wireless network.

02Affected products

Vendor	Product	Versions
WAVLINK TECHNOLOGY Ltd.	WL	WN531AX2 — firmware versions prior to 2023526

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-30T04:02:54.431Z
• Last modified: 2024-12-04T16:06:17.957Z

09References

• www.wavlink.com — https://www.wavlink.com/en_us/firmware/details/932108ffc5.html
• jvn.jp — https://jvn.jp/en/jp/JVN78634340/