CVE-2025-12241
High
Description
A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This impacts the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. The manipulation of the argument lang results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public 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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