CVE-2022-3407 — I some cases, when the device is USB-tethered to a host PC, and the device is sh

I some cases, when the device is USB-tethered to a host PC, and the device is sharing its mobile network connection with the host PC, if the user originates a call on the device, then the device's modem may reset and cause the phone call to not succeed. This may block the us

01What is this vulnerability?

I some cases, when the device is USB-tethered to a host PC, and the device is sharing its mobile network connection with the host PC, if the user originates a call on the device, then the device's modem may reset and cause the phone call to not succeed. This may block the user from dialing emergency services. This patch resolves the device's modem reset issue.

02Affected products

Vendor	Product	Versions
Motorola Mobility	Motorola smartphones	Versions prior to 2022-11-01

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: 2023-09-01T16:42:00.677Z
• Last modified: 2024-09-27T18:35:19.163Z

09References

• en-us.support.motorola.com — https://en-us.support.motorola.com/app/answers/detail/a_id/175354