Security readout for executives and security teams
Plain-English summary
This CVE affects a specific Yi Home Camera 2 firmware version. An attacker who can send crafted UDP traffic to the camera may force a settings change that causes denial of service. The supplied evidence supports high availability risk, not confirmed active exploitation or a named patch.
Executive priority
Prioritize exposed or business-critical camera deployments. The main documented risk is service disruption, but unauthenticated network reachability makes remediation or isolation important where cameras support physical security or operations.
Technical view
CVE-2018-3928 describes an unauthenticated, network-reachable, low-complexity issue in Yi Home Camera 27US firmware 1.8.7.0D firmware update functionality. Crafted UDP packet sets can cause a settings change and denial of service. CVSS indicates availability impact only; the provided title mentions code execution, but the supplied description does not substantiate that impact.
Likely exposure
Exposure appears limited to Yi Technology Home Camera 27US devices running firmware 1.8.7.0D and reachable by attackers able to send UDP packets. Internet-exposed or flat internal camera networks would carry higher operational risk.
Exploitation context
The bundle does not show CISA KEV listing or any cited evidence of active exploitation. The attack is network based, unauthenticated, and requires no user interaction, so exposed devices should still be treated as practical targets.
Researcher notes
Treat the provided code-execution wording cautiously because the CVSS vector and description support denial of service only. Use the Talos advisory and CVE records to confirm exact affected firmware, trigger context, and any vendor response before asserting broader impact.
Mitigation direction
- Inventory Yi Home Camera 27US devices and record firmware versions.
- Check Yi and Talos guidance for fixed firmware or vendor-recommended remediation.
- Remove affected cameras from internet exposure and untrusted networks.
- Segment camera networks from business systems and sensitive assets.
- Replace unsupported affected devices if no maintained firmware is available.
Validation and detection
- Confirm whether any deployed device reports firmware 1.8.7.0D.
- Review firewall rules for UDP reachability to affected cameras.
- Check network logs for unusual UDP traffic targeting camera segments.
- Verify cameras remain operational after segmentation or firmware changes.
- Document any unavailable vendor fix as residual risk.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-3928 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.5HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0595CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.