What is CVE-2023-36953?

CVE-2023-36953 is a critical-severity vulnerability in Totolink Cp300\+, classified under Command Injection. CVSS score: 9.8/10. Published 2023-10-16.

How severe is CVE-2023-36953?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Totolink Cp300\+

CVE-2023-36953

TOTOLINK CP300+ V5.2cu.7594_B20200910 and before is vulnerable to command injection.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-10-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (74.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Totolink Cp300\+
Totolink Cp300\+ Firmware — versions 5.2cu.7594_b20200910

Weakness classification (CWE)

CWE-77 — Command Injection

References

github.com/Archerber/bug_submit/blob/main/TOTOLINK/CP300+_2.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-36953?: CVE-2023-36953 is a critical-severity vulnerability in Totolink Cp300\+, classified under Command Injection. CVSS score: 9.8/10. Published 2023-10-16.
How severe is CVE-2023-36953?: Critical severity. CVSS v3 base score is 9.8 out of 10.