What is CVE-2023-24139?

CVE-2023-24139 is a critical-severity vulnerability in Totolink Ca300-Poe, classified under Command Injection. CVSS score: 9.8/10. Published 2023-02-03.

How severe is CVE-2023-24139?

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

RCE in Totolink Ca300-Poe

CVE-2023-24139

TOTOLINK CA300-PoE V6.2c.884 was discovered to contain a command injection vulnerability via the NetDiagHost parameter in the setNetworkDiag function.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-02-03 · 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: 0.019 (79.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Totolink Ca300-Poe
Totolink Ca300-Poe Firmware — versions 6.2c.884

Weakness classification (CWE)

CWE-77 — Command Injection

References

github.com/Double-q1015/CVE-vulns/blob/main/totolink_ca300-poe/setNetworkDiag_N… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-24139?: CVE-2023-24139 is a critical-severity vulnerability in Totolink Ca300-Poe, classified under Command Injection. CVSS score: 9.8/10. Published 2023-02-03.
How severe is CVE-2023-24139?: Critical severity. CVSS v3 base score is 9.8 out of 10.