What is CVE-2023-34669?

CVE-2023-34669 is a high-severity vulnerability in Totolink Cp300\+, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2023-07-17.

How severe is CVE-2023-34669?

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

Vulnerability in Totolink Cp300\+

CVE-2023-34669

TOTOLINK CP300+ V5.2cu.7594 contains a Denial of Service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.

Published 2023-07-17 · 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 (55.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% 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

Totolink Cp300\+
Totolink Cp300\+ Firmware — versions 5.2cu.7594

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

w3b5h3ll.notion.site/w3b5h3ll/TOTOLINK-CP300-c96d775881f0476b9ef465dba9c6d9b8 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-34669?: CVE-2023-34669 is a high-severity vulnerability in Totolink Cp300\+, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2023-07-17.
How severe is CVE-2023-34669?: High severity. CVSS v3 base score is 7.5 out of 10.