CVE-2023-26318

Xiaomi router web interface post-authorization stack overflow

HIGH

7.2

CVSS Score

Published: October 11, 2023 at 06:42 AM UTC

Updated: June 17, 2026 at 05:43 AM UTC

3 products affected across 2 vendorsXiaomi Router AX3200 FirmwareXiaomi Router Ax3200Xiaomi Router

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Severity

HIGH7.2

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Xiaomi Router AX3200 Firmware · Mi

95%

v < 2023.2

Affected range stops below 2023.2, so it looks safe — our inference, not a vendor statement

mi-xiaomi-router-ax3200 (same device)

Xiaomi Router · Xiaomi

50%

v < fw version before 2023.2v < fw_version_before_2023.2

Affected range stops below fw version before 2023.2, so it looks safe — our inference, not a vendor statement

Xiaomi Router Ax3200 · Midevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

Vendor Advisory

Source: [email protected]

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-120

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