What is CVE-2022-45672?

CVE-2022-45672 is a high-severity vulnerability in Tenda I22, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-12-02.

How severe is CVE-2022-45672?

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

Is CVE-2022-45672 known to be exploited?

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

Buffer overflow in Tenda I22

CVE-2022-45672

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the formWx3AuthorizeSet function.

Vulnerability class: Buffer Overflow

Published 2022-12-02 · 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: 0.091 (95.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.091 · newest: 0.091 · change: 0.000

Affected products

Tenda I22
Tenda I22 Firmware — versions 1.0.0.3(4687), 1.0.0.3\(4687\)

Weakness classification (CWE)

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

Public proof-of-concept exploits

attilaszia/linux-iot-cves

References

github.com/Double-q1015/CVE-vulns/blob/main/tenda_i22/formWx3AuthorizeSet/formW… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-45672?: CVE-2022-45672 is a high-severity vulnerability in Tenda I22, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-12-02.
How severe is CVE-2022-45672?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-45672 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.