What is CVE-2022-46547?

CVE-2022-46547 is a high-severity vulnerability in Tenda F1203, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-12-20.

How severe is CVE-2022-46547?

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

Buffer overflow in Tenda F1203

CVE-2022-46547

Tenda F1203 V2.0.1.6 was discovered to contain a buffer overflow via the page parameter at /goform/VirtualSer.

Vulnerability class: Buffer Overflow

Published 2022-12-20 · 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: 0.008 (56.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Tenda F1203
Tenda F1203 Firmware — versions 2.0.1.6

Weakness classification (CWE)

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

References

github.com/Double-q1015/CVE-vulns/blob/main/tenda_f1203/fromVirtualSer/fromVirt… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-46547?: CVE-2022-46547 is a high-severity vulnerability in Tenda F1203, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-12-20.
How severe is CVE-2022-46547?: High severity. CVSS v3 base score is 7.5 out of 10.