CVE-2026-5105
Medium
Description
A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument pptpPassThru results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.
SeverityMedium
CVSS6.3
Exploit probability—
ProductTotolink A3300r Firmware
PublishedMar 30, 2026
First seenMar 30, 2026
Weakness typeCWE-77Command injectionCWE-74Injection
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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