CVE-2025-12259
High
Description
A flaw has been found in TOTOLINK A3300R 17.0.0cu.557_B20221024. The affected element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. This manipulation of the argument recHour causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTotolink A3300r Firmware
PublishedOct 27, 2025
First seenOct 27, 2025
Weakness typeCWE-121CWE-121CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| totolink a3300r_firmware | 17.0.0cu.557_b20221024 | — |
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