CVE-2019-5914 — V20 PRO L-01J software version L01J20c and L01J20d has a NULL pointer exception

V20 PRO L-01J software version L01J20c and L01J20d has a NULL pointer exception flaw that can be used by an attacker to cause the device to crash on the same network range via a specially crafted access point.

01What is this vulnerability?

V20 PRO L-01J software version L01J20c and L01J20d has a NULL pointer exception flaw that can be used by an attacker to cause the device to crash on the same network range via a specially crafted access point.

02Affected products

Vendor	Product	Versions
NTT DOCOMO, INC.	V20 PRO L	01J — software version L01J20c and L01J20d

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: 2019-02-13T18:00:00.000Z
• Last modified: 2024-08-04T20:09:23.617Z

09References

• jvn.jp — http://jvn.jp/en/jp/JVN40439414/index.html
• www.nttdocomo.co.jp — https://www.nttdocomo.co.jp/support/utilization/product_update/list/l01j/index.h…