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CVE-2022-29640 Details

Description

TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setPortForwardRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/shijin0925/IOT/blob/master/TOTOLINK%20A3100R/3.md	CVE	ExploitThird Party Advisory
https://github.com/shijin0925/IOT/blob/master/TOTOLINK%20A3100R/3.md	[email protected]	ExploitThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
totolink a3100r firmware	4.1.2cu.5050_b20200504 4.1.2cu.5247_b20211129
CPE cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:::::::* cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5247_b20211129:::::::* 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

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
May 26, 2022	Initial Analysis	[email protected]