What is CVE-2023-30356?

CVE-2023-30356 is a high-severity vulnerability in Tenda Cp3, classified under Improper Validation of Integrity Check Value. CVSS score: 7.5/10. Published 2023-05-10.

How severe is CVE-2023-30356?

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

Vulnerability in Tenda Cp3

CVE-2023-30356

Missing Support for an Integrity Check in Shenzen Tenda Technology IP Camera CP3 V11.10.00.2211041355 allows attackers to update the device with crafted firmware

Published 2023-05-10 · 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:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Tenda Cp3
Tenda Cp3 Firmware — versions 11.10.00.2211041355

Weakness classification (CWE)

CWE-354 — Improper Validation of Integrity Check Value

References

github.com/SECloudUNIMORE/ACES/blob/master/Tenda/CP3/tmp_MU.md (Third Party Advisory)

Frequently asked questions

What is CVE-2023-30356?: CVE-2023-30356 is a high-severity vulnerability in Tenda Cp3, classified under Improper Validation of Integrity Check Value. CVSS score: 7.5/10. Published 2023-05-10.
How severe is CVE-2023-30356?: High severity. CVSS v3 base score is 7.5 out of 10.