How severe is CVE-2023-26318?

CVE-2023-26318 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-26318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26318?

CVE-2023-26318 affects Mi Xiaomi Router Ax3200 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26318?

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

When was CVE-2023-26318 published?

CVE-2023-26318 was published on 2023-10-11 and last updated on 2026-06-17.

CVE-2023-26318

CVE-2023-26318 is a medium-severity vulnerability in Mi Xiaomi Router Ax3200 Firmware with a CVSS 3.x base score of 6.7. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Mi Xiaomi Router Ax3200 Firmware
Published: 2023-10-11
Last modified: 2026-06-17

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Xiaomi Xiaomi Router allows Overflow Buffers.

Frequently asked questions

What is CVE-2023-26318?: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Xiaomi Xiaomi Router allows Overflow Buffers.
How severe is CVE-2023-26318?: CVE-2023-26318 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-26318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26318?: CVE-2023-26318 affects Mi Xiaomi Router Ax3200 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-26318 published?: CVE-2023-26318 was published on 2023-10-11 and last updated on 2026-06-17.

References

https://trust.mi.com/misrc/bulletins/advisory?cveId=539

Affected products (1)

cpe:2.3:o:mi:xiaomi_router_ax3200_firmware:*:*:*:*:*:*:*:*

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