How severe is CVE-2017-17318?

CVE-2017-17318 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-17318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17318?

CVE-2017-17318 affects Huawei E5771h-937 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-17318?

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

When was CVE-2017-17318 published?

CVE-2017-17318 was published on 2018-04-30 and last updated on 2026-06-17.

CVE-2017-17318

CVE-2017-17318 is a medium-severity vulnerability in Huawei E5771h-937 Firmware with a CVSS 3.x base score of 6.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.1
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Huawei E5771h-937 Firmware
Published: 2018-04-30
Last modified: 2026-06-17

Description

Huawei MBB (Mobile Broadband) products E5771h-937 with the versions before E5771h-937TCPU-V200R001B328D62SP00C1133 and the versions before E5771h-937TCPU-V200R001B329D05SP00C1308 have a Denial of Service (DoS) vulnerability. When an attacker accessing device sends special http request to device, the webserver process will try to apply too much memory which can cause the device to become unable to respond. An attacker can launch a DoS attack by exploiting this vulnerability.

Frequently asked questions

What is CVE-2017-17318?: Huawei MBB (Mobile Broadband) products E5771h-937 with the versions before E5771h-937TCPU-V200R001B328D62SP00C1133 and the versions before E5771h-937TCPU-V200R001B329D05SP00C1308 have a Denial of Service (DoS) vulnerability. When an attacker accessing device sends special http request to device, the webserver process will try to apply too much memory which can cause the device to become unable to respond. An attacker can launch a DoS attack by exploiting this vulnerability.
How severe is CVE-2017-17318?: CVE-2017-17318 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-17318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17318?: CVE-2017-17318 affects Huawei E5771h-937 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-17318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-17318 published?: CVE-2017-17318 was published on 2018-04-30 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180428-01-mbb-en

Affected products (1)

cpe:2.3:o:huawei:e5771h-937_firmware:*:*:*:*:*:*:*:*

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