CVE-2026-5686: Tenda CX12L RouteStatic fromRouteStatic stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-06 · updated 2026-07-24
Weakness: CWE-119

Description

A security flaw has been discovered in Tenda CX12L 16.03.53.12. This vulnerability affects the function fromRouteStatic of the file /goform/RouteStatic. The manipulation of the argument page results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

Affected products

Tenda CX12L: 16.03.53.12

References

https://github.com/cve-a/lvdan/issues/4
https://vuldb.com/submit/792783
https://vuldb.com/vuln/355513
https://vuldb.com/vuln/355513/cti
https://www.tenda.com.cn/

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