What is CVE-2024-7156?

CVE-2024-7156 is a medium-severity vulnerability in Totolink A3700r, classified under Information Disclosure. CVSS score: 5.3/10. Published 2024-07-28.

How severe is CVE-2024-7156?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2024-7156 known to be exploited?

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

Information disclosure in Totolink A3700r

CVE-2024-7156

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as problematic. Affected by this issue is some unknown functionality of the file /cgi-bin/ExportSettings.sh of the component apmib Configuration Handler. The manipulation leads to information disclosure. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-272570 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Information Disclosure

Published 2024-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.133 (96.3th percentile), scored 2026-10-01.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.133 · newest: 0.133 · change: 0.000

Affected products

Totolink A3700r — versions 9.1.2u.5822_B20200513
Totolink A3700r Firmware — versions 9.1.2u.5822_b20200513

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

vuldb.com/ (Permissions Required, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
vuldb.com/ (Third Party Advisory, third-party-advisory)
github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3700R/ExportSettings… (Exploit, exploit)

Frequently asked questions

What is CVE-2024-7156?: CVE-2024-7156 is a medium-severity vulnerability in Totolink A3700r, classified under Information Disclosure. CVSS score: 5.3/10. Published 2024-07-28.
How severe is CVE-2024-7156?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2024-7156 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.