PT-2025-17566 · Totolink · Totolink A950Rg+3

Published

2025-04-22

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Updated

2025-05-07

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CVE-2025-28026

CVSS v2.0

7.5

High

VectorAV:N/AC:L/Au:N/C:P/I:P/A:P
Name of the Vulnerable Software and Affected Versions TOTOLINK A830R version 4.1.2cu.5182 B20201102 TOTOLINK A950RG version 4.1.2cu.5161 B20200903 TOTOLINK A3000RU version 5.9c.5185 B20201128 TOTOLINK A3100R version 4.1.2cu.5247 B20211129
Description A buffer overflow vulnerability was found in the downloadFile.cgi of the affected TOTOLINK router firmware versions.
Recommendations For TOTOLINK A830R version 4.1.2cu.5182 B20201102, consider disabling access to the downloadFile.cgi until a patch is available. For TOTOLINK A950RG version 4.1.2cu.5161 B20200903, restrict the use of the downloadFile.cgi to minimize the risk of exploitation. For TOTOLINK A3000RU version 5.9c.5185 B20201128, avoid using the downloadFile.cgi in the affected API endpoint until the issue is resolved. For TOTOLINK A3100R version 4.1.2cu.5247 B20211129, as a temporary workaround, consider disabling the downloadFile.cgi function until a patch is available.

Exploit

Fix

Stack Overflow

Weakness Enumeration

Related Identifiers

BDU:2025-12680
BDU:2025-12682
CVE-2025-28026

Affected Products

Totolink A3000Ru
Totolink A3100R
Totolink A830R
Totolink A950Rg