What is CVE-2022-26243?

CVE-2022-26243 is a high-severity vulnerability in Tendacn Ac10, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-03-23.

How severe is CVE-2022-26243?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Tendacn Ac10

CVE-2022-26243

Tenda AC10-1200 v15.03.06.23_EN was discovered to contain a buffer overflow in the setSmartPowerManagement function.

Vulnerability class: Buffer Overflow

Published 2022-03-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Tendacn Ac10
Tendacn Ac10 Firmware — versions 15.03.06.23

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

noob3xploiter.medium.com/hacking-the-tenda-ac10-1200-router-part-4-sscanf-buffe… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-26243?: CVE-2022-26243 is a high-severity vulnerability in Tendacn Ac10, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-03-23.
How severe is CVE-2022-26243?: High severity. CVSS v3 base score is 7.5 out of 10.