CVE-2022-43442 — Plaintext storage of a password vulnerability exists in +F FS040U software versi

Plaintext storage of a password vulnerability exists in +F FS040U software versions v2.3.4 and earlier, which may allow an attacker to obtain the login password of +F FS040U and log in to the management console.

01What is this vulnerability?

Plaintext storage of a password vulnerability exists in +F FS040U software versions v2.3.4 and earlier, which may allow an attacker to obtain the login password of +F FS040U and log in to the management console.

02Affected products

Vendor	Product	Versions
FUJI SOFT INCORPORATED	+F FS040U software	versions v2.3.4 and earlier

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: 2022-12-05T00:00:00.000Z
• Last modified: 2025-04-24T14:17:55.944Z

09References

• www.fsi.co.jp — https://www.fsi.co.jp/mobile/plusF/news/22102801.html
• www.fsi.co.jp — https://www.fsi.co.jp/mobile/plusF/news/22102802.html
• www.fsi.co.jp — https://www.fsi.co.jp/mobile/plusF/news/22102803.html
• www.fsi.co.jp — https://www.fsi.co.jp/mobile/plusF/news/22102804.html
• jvn.jp — https://jvn.jp/en/jp/JVN74285622/index.html