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Vulnerability record · CVE-2024-7156 · published 28 July 2024

CVE-2024-7156: Totolink a3700r firmware information exposure vulnerability

TTotolink · A3700r Firmware

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.

6.9 CVSS 4.0 Medium EPSS 13% · top 3.7% CWE-200 · Information exposure
6.9CVSS 4.0 base score, v2 5.0
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3700R/ExportSettings.md Exploit
https://vuldb.com/?ctiid.272570 Permissions RequiredThird Party Advisory
https://vuldb.com/?id.272570 Permissions RequiredThird Party Advisory
https://vuldb.com/?submit.377473 Third Party Advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3700R/ExportSettings.md Exploit
https://vuldb.com/?ctiid.272570 Permissions RequiredThird Party Advisory
https://vuldb.com/?id.272570 Permissions RequiredThird Party Advisory
https://vuldb.com/?submit.377473 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-42543Totolink a3700r firmware classic buffer overflow vulnerabilityTOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the http_host parameter in the loginauth function.EPSS 0.66%9.8CVE-2024-42545Totolink a3700r firmware classic buffer overflow vulnerabilityTOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the ssid parameter in setWizardCfg function.EPSS 0.66%9.8CVE-2024-37637Totolink a3700r firmware classic buffer overflow vulnerabilityTOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid5g in the function setWizardCfg.EPSS 0.67%9.8CVE-2024-37632Totolink a3700r firmware classic buffer overflow vulnerabilityTOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via the password parameter in function loginAuth .EPSS 0.64%9.8CVE-2024-37634Totolink a3700r firmware stack-based buffer overflow vulnerabilityTOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid in the function setWiFiEasyCfg.EPSS 0.67%9.8CVE-2024-37635Totolink a3700r firmware classic buffer overflow vulnerabilityTOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid in the function setWiFiBasicCfgEPSS 0.66%9.8CVE-2024-22660Totolink a3700r firmware out-of-bounds write vulnerabilityTOTOLINK_A3700R_V9.1.2u.6165_20211012has a stack overflow vulnerability via setLanguageCfgEPSS 0.86%9.8CVE-2024-22662Totolink a3700r firmware out-of-bounds write vulnerabilityTOTOLINK A3700R_V9.1.2u.6165_20211012 has a stack overflow vulnerability via setParentalRulesEPSS 0.86%

Source: NIST National Vulnerability Database (record CVE-2024-7156), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.