PT-2025-43920

CVE-2025-12259

Published

2025-10-12

Updated

2025-10-28

Description by

CVSS 2.0

9.0

High

MetricsAV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions TOTOLINK A3300R version 17.0.0cu.557 B20221024

Description A flaw exists in TOTOLINK A3300R. The issue is a stack-based buffer overflow caused by the manipulation of the recHour argument within the setScheduleCfg function located in the /cgi-bin/cstecgi.cgi file, specifically within the POST Parameter Handler component. This allows for remote exploitation. The exploit has been published.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploitability

Exploit

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121: Stack-based Buffer Overflow

Related identifiers

CVE-2025-12259