How severe is CVE-2016-3676?

CVE-2016-3676 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2016-3676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3676?

CVE-2016-3676 affects Huawei E3276s Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-3676?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-3676 published?

CVE-2016-3676 was published on 2016-04-11 and last updated on 2026-06-17.

CVE-2016-3676

CVE-2016-3676 is a medium-severity vulnerability in Huawei E3276s Firmware with a CVSS 3.x base score of 6.4. 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-254.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
CVSS v2: 5.8
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Huawei E3276s Firmware
Published: 2016-04-11
Last modified: 2026-06-17

Description

Huawei E3276s USB modems with software before E3276s-150TCPU-V200R002B436D09SP00C00 allow man-in-the-middle attackers to intercept, spoof, or modify network traffic via unspecified vectors related to a fake network.

Frequently asked questions

What is CVE-2016-3676?: Huawei E3276s USB modems with software before E3276s-150TCPU-V200R002B436D09SP00C00 allow man-in-the-middle attackers to intercept, spoof, or modify network traffic via unspecified vectors related to a fake network.
How severe is CVE-2016-3676?: CVE-2016-3676 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2016-3676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3676?: CVE-2016-3676 affects Huawei E3276s Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3676?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-3676 published?: CVE-2016-3676 was published on 2016-04-11 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160330-01-dongle-en

Affected products (1)

cpe:2.3:o:huawei:e3276s_firmware:e3276s-150tcpu-v200r002b250d04sp00c00:*:*:*:*:*:*:*

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