CVE-2026-5686

HIGH

Tenda CX12L RouteStatic fromRouteStatic stack-based overflow

Title source: cna
STIX 2.1

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.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-355513 | Tenda CX12L RouteStatic fromRouteStatic stack-based overflow
https://vuldb.com/vuln/355513
Signature, Permissions Required signature permissions-required
VDB-355513 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/355513/cti
Third Party Advisory third-party-advisory
Submit #792783 | Tenda CX12L V16.03.53.12 Stack-based Buffer Overflow
https://vuldb.com/submit/792783
Exploit exploit issue-tracking
https://github.com/cve-a/lvdan/issues/4
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0067
EPSS Percentile 46.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (2)
Tenda/CX12L 16.03.53.12
tenda/cx12l_firmware 16.03.53.12
Published Apr 06, 2026
Tracked Since Apr 07, 2026