How severe is CVE-2023-26317?

CVE-2023-26317 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2023-26317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26317?

CVE-2023-26317 affects Mi Xiaomi Router Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26317?

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-2023-26317 published?

CVE-2023-26317 was published on 2023-08-02 and last updated on 2026-06-17.

CVE-2023-26317

CVE-2023-26317 is a high-severity vulnerability in Mi Xiaomi Router Firmware with a CVSS 3.x base score of 7.0. 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Mi Xiaomi Router Firmware
Published: 2023-08-02
Last modified: 2026-06-17

Description

Xiaomi routers have an external interface that can lead to command injection. The vulnerability is caused by lax filtering of responses from external interfaces. Attackers can exploit this vulnerability to gain access to the router by hijacking the ISP or upper-layer routing.

Frequently asked questions

What is CVE-2023-26317?: Xiaomi routers have an external interface that can lead to command injection. The vulnerability is caused by lax filtering of responses from external interfaces. Attackers can exploit this vulnerability to gain access to the router by hijacking the ISP or upper-layer routing.
How severe is CVE-2023-26317?: CVE-2023-26317 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2023-26317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26317?: CVE-2023-26317 affects Mi Xiaomi Router Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26317?: 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-2023-26317 published?: CVE-2023-26317 was published on 2023-08-02 and last updated on 2026-06-17.

References

https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=529

Affected products (1)

cpe:2.3:o:mi:xiaomi_router_firmware:*:*:*:*:*:*:*:*

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