What is CVE-2023-24331?

CVE-2023-24331 is a critical-severity vulnerability in Dlink Dir-816, classified under Command Injection. CVSS score: 9.8/10. Published 2024-02-21.

How severe is CVE-2023-24331?

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

RCE in Dlink Dir-816

CVE-2023-24331

Command Injection vulnerability in D-Link Dir 816 with firmware version DIR-816_A2_v1.10CNB04 allows attackers to run arbitrary commands via the urlAdd parameter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-02-21 · 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: 0.021 (81.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Dlink Dir-816 — versions a2
Dlink Dir-816 Firmware — versions 1.10nb04

Weakness classification (CWE)

CWE-77 — Command Injection

References

github.com/caoyebo/CVE/tree/main/Dlink 816 - CVE-2023-24331 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-24331?: CVE-2023-24331 is a critical-severity vulnerability in Dlink Dir-816, classified under Command Injection. CVSS score: 9.8/10. Published 2024-02-21.
How severe is CVE-2023-24331?: Critical severity. CVSS v3 base score is 9.8 out of 10.