CVE-2026-8138
High
Description
A vulnerability was found in Tenda CX12L 16.03.53.12. This issue affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg”. The manipulation results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda Cx12l Firmware
PublishedMay 8, 2026
First seenMay 8, 2026
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 |
|---|---|---|
| tenda cx12l_firmware | 16.03.53.12 | — |
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