What is CVE-2024-31815?

CVE-2024-31815 is a critical-severity vulnerability in Totolink Ex200, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.1/10. Published 2024-04-08.

How severe is CVE-2024-31815?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2024-31815 known to be exploited?

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

Auth bypass in Totolink Ex200

CVE-2024-31815

In TOTOLINK EX200 V4.0.3c.7314_B20191204, an attacker can obtain the configuration file without authorization through /cgi-bin/ExportSettings.sh

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.006 (43.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Totolink Ex200
Totolink Ex200_firmware — versions 4.0.3c.7646_b20201211
N/a — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-31815?: CVE-2024-31815 is a critical-severity vulnerability in Totolink Ex200, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.1/10. Published 2024-04-08.
How severe is CVE-2024-31815?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2024-31815 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.