How severe is CVE-2018-8755?

CVE-2018-8755 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8755 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8755?

CVE-2018-8755 affects Nucom Wr644gacv Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8755?

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-2018-8755 published?

CVE-2018-8755 was published on 2018-06-25 and last updated on 2026-06-17.

CVE-2018-8755

CVE-2018-8755 is a critical-severity vulnerability in Nucom Wr644gacv Firmware with a CVSS 3.x base score of 9.8. 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Nucom Wr644gacv Firmware
Published: 2018-06-25
Last modified: 2026-06-17

Description

NuCom WR644GACV devices before STA006 allow an attacker to download the configuration file without credentials. By downloading this file, an attacker can access the admin password, WPA key, and any config information of the device.

Frequently asked questions

What is CVE-2018-8755?: NuCom WR644GACV devices before STA006 allow an attacker to download the configuration file without credentials. By downloading this file, an attacker can access the admin password, WPA key, and any config information of the device.
How severe is CVE-2018-8755?: CVE-2018-8755 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8755 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8755?: CVE-2018-8755 affects Nucom Wr644gacv Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8755?: 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-2018-8755 published?: CVE-2018-8755 was published on 2018-06-25 and last updated on 2026-06-17.

References

https://blog.nivel4.com/investigaciones/vulnerabilidad-en-los-dispositivos-nucom-wr644gacv/

Affected products (1)

cpe:2.3:o:nucom:wr644gacv_firmware:*:*:*:*:*:*:*:*

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