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CVE-2024-7157 Details

Description

A vulnerability was found in TOTOLINK A3100R 4.1.2cu.5050_B20200504. It has been classified as critical. This affects the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272571. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3100R/getSaveConfig.md	CVE	Exploit
https://vuldb.com/?ctiid.272571	CVE	Permissions RequiredThird Party Advisory
https://vuldb.com/?id.272571	CVE	Third Party Advisory
https://vuldb.com/?submit.377542	CVE	Third Party Advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3100R/getSaveConfig.md	[email protected]	Exploit
https://vuldb.com/?ctiid.272571	[email protected]	Permissions RequiredThird Party Advisory
https://vuldb.com/?id.272571	[email protected]	Third Party Advisory
https://vuldb.com/?submit.377542	[email protected]	Third Party Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[email protected]

Affected Products

Product	Versions
totolink a3100r firmware	4.1.2cu.5050_b20200504
CPE cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:::::::* Remediation No remediation found in references.
totolink a3100r	All versions
CPE cpe:2.3:h:totolink:a3100r:-:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
Aug 8, 2024	Initial Analysis	[email protected]
Jul 28, 2024	New CVE Received	[email protected]