What is CVE-2023-43885?

CVE-2023-43885 is a high-severity vulnerability in Tenda Rx9 Pro, classified under Missing Authorization. CVSS score: 8.1/10. Published 2023-11-07.

How severe is CVE-2023-43885?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Tenda Rx9 Pro

CVE-2023-43885

Missing error handling in the HTTP server component of Tenda RX9 Pro Firmware V22.03.02.20 allows authenticated attackers to arbitrarily lock the device.

Vulnerability class: Broken Access Control

Published 2023-11-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Tenda Rx9 Pro
Tenda Rx9 Pro Firmware — versions 22.03.02.10

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

blog.rtlcopymemory.com/tenda-rx9-pro/ (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-43885?: CVE-2023-43885 is a high-severity vulnerability in Tenda Rx9 Pro, classified under Missing Authorization. CVSS score: 8.1/10. Published 2023-11-07.
How severe is CVE-2023-43885?: High severity. CVSS v3 base score is 8.1 out of 10.