What is CVE-2023-26317?

CVE-2023-26317 is a high-severity vulnerability in Mi Xiaomi Router Firmware, classified under OS Command Injection. CVSS score: 7.0/10. Published 2023-08-02.

How severe is CVE-2023-26317?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2023-26317 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Mi Xiaomi Router Firmware

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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-08-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.011 (64.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Mi Xiaomi Router Firmware
Xiaomi Router — versions Xiaomi Router Firmware version before 2023.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

trust.mi.com/zh-CN/misrc/bulletins/advisory (Vendor Advisory)

Frequently asked questions

What is CVE-2023-26317?: CVE-2023-26317 is a high-severity vulnerability in Mi Xiaomi Router Firmware, classified under OS Command Injection. CVSS score: 7.0/10. Published 2023-08-02.
How severe is CVE-2023-26317?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2023-26317 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.