How severe is CVE-2018-0522?

CVE-2018-0522 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-0522 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0522?

CVE-2018-0522 affects Buffalo Wxr-1900dhp2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-0522?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-0522 published?

CVE-2018-0522 was published on 2018-03-09 and last updated on 2026-06-17.

CVE-2018-0522

CVE-2018-0522 is a high-severity vulnerability in Buffalo Wxr-1900dhp2 Firmware with a CVSS 3.x base score of 7.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Buffalo Wxr-1900dhp2 Firmware
Published: 2018-03-09
Last modified: 2026-06-17

Description

Buffer overflow in Buffalo WXR-1900DHP2 firmware Ver.2.48 and earlier allows an attacker to execute arbitrary code via a specially crafted file.

Frequently asked questions

What is CVE-2018-0522?: Buffer overflow in Buffalo WXR-1900DHP2 firmware Ver.2.48 and earlier allows an attacker to execute arbitrary code via a specially crafted file.
How severe is CVE-2018-0522?: CVE-2018-0522 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-0522 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0522?: CVE-2018-0522 affects Buffalo Wxr-1900dhp2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-0522?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-0522 published?: CVE-2018-0522 was published on 2018-03-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:buffalo:wxr-1900dhp2_firmware:*:*:*:*:*:*:*:*

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