CVE-2023-26318
Xiaomi router web interface post-authorization stack overflow
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Xiaomi Xiaomi Router allows Overflow Buffers.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Xiaomi router web interface post-authorization stack overflow
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Xiaomi Xiaomi Router allows Overflow Buffers.
- Record
CVE-2023-26318- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2023-30139
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Xiaomi Xiaomi Router allows Overflow Buffers.
- Record
EUVD-2023-30139- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qm2m-hfw4-jq7f
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Xiaomi...
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Xiaomi Xiaomi Router allows Overflow Buffers.
- Record
GHSA-qm2m-hfw4-jq7f- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Xiaomi Xiaomi Router allows Overflow Buffers.
- Record
CVE-2023-26318- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-26318 is a medium vulnerability (CVSS 6.7) in Xiaomi Router, published October 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. No source names a fixed version.