CVE-2019-3409
CVE-2019-3409 is a critical-severity vulnerability in Zte Wf820+ Lte Outdoor Cpe Firmware with a CVSS 3.x base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.0)
- CVSS v2: 6.5
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Zte Wf820+ Lte Outdoor Cpe Firmware
- Published:
- Last modified:
Description
All versions up to UKBB_WF820+_1.0.0B06 of ZTE WF820+ LTE Outdoor CPE product are impacted by command injection vulnerability. Due to inadequate parameter verification, unauthorized users can take advantage of this vulnerability to control the user terminal system.
Frequently asked questions
- What is CVE-2019-3409?
- All versions up to UKBB_WF820+_1.0.0B06 of ZTE WF820+ LTE Outdoor CPE product are impacted by command injection vulnerability. Due to inadequate parameter verification, unauthorized users can take advantage of this vulnerability to control the user terminal system.
- How severe is CVE-2019-3409?
- CVE-2019-3409 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-3409 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-3409?
- CVE-2019-3409 affects Zte Wf820+ Lte Outdoor Cpe Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-3409?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2019-3409 published?
- CVE-2019-3409 was published on 2019-06-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zte:wf820\+_lte_outdoor_cpe_firmware:*:*:*:*:*:*:*:*
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