CVE-2022-44620 — Improper authentication vulnerability in UDR-JA1604/UDR-JA1608/UDR-JA1616 firmwa

Improper authentication vulnerability in UDR-JA1604/UDR-JA1608/UDR-JA1616 firmware versions 71x10.1.107112.43A and earlier allows a remote authenticated attacker to execute an arbitrary OS command on the device or alter the device settings.

01What is this vulnerability?

Improper authentication vulnerability in UDR-JA1604/UDR-JA1608/UDR-JA1616 firmware versions 71x10.1.107112.43A and earlier allows a remote authenticated attacker to execute an arbitrary OS command on the device or alter the device settings.

02Affected products

Vendor	Product	Versions
UNIMO Technology Co., Ltd	UDR	JA1604/UDR-JA1608/UDR-JA1616 — firmware versions 71x10.1.107112.43A 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: 2022-12-07T00:00:00.000Z
• Last modified: 2025-04-23T13:55:14.349Z

09References

• www.unimo.co.jp — http://www.unimo.co.jp/table_notice/index.php?act=1&resid=1666831567-004418
• jvn.jp — https://jvn.jp/en/vu/JVNVU94514762/index.html