What is CVE-2024-31816?

CVE-2024-31816 is a high-severity vulnerability in Totolink Ex200, classified under Information Disclosure. CVSS score: 7.5/10. Published 2024-04-08.

How severe is CVE-2024-31816?

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

Is CVE-2024-31816 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Totolink Ex200

CVE-2024-31816

In TOTOLINK EX200 V4.0.3c.7646_B20201211, an attacker can obtain sensitive information without authorization through the function getEasyWizardCfg.

Vulnerability class: Information Disclosure

Published 2024-04-08 · 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:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.027 (85.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Totolink Ex200
Totolink Ex200 Firmware — versions 4.0.3c.7646_b20201211

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Leak_getEasyWizardCfg/Leak… (Third Party Advisory)

Frequently asked questions

What is CVE-2024-31816?: CVE-2024-31816 is a high-severity vulnerability in Totolink Ex200, classified under Information Disclosure. CVSS score: 7.5/10. Published 2024-04-08.
How severe is CVE-2024-31816?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-31816 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.