VulnerabilityAnalyzed

CVE-2026-5687

A weakness has been identified in Tenda CX12L 16.03.53.12.

HIGH 7.4EPSS 0.67%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A weakness has been identified in Tenda CX12L 16.03.53.12. This issue affects the function fromNatStaticSetting of the file /goform/NatStaticSetting. This manipulation of the argument page causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.

CVSS 4.0: 7.4 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.67% probability · 50th percentile
CISA KEV: Not listed
Weakness: CWE-119, CWE-121
Affected: tenda/cx12l firmware
Source: cna@vuldb.com

References

https://github.com/cve-a/lvdan/issues/5Exploit, Issue Tracking, Mitigation, Third Party Advisory
https://vuldb.com/submit/792785Third Party Advisory, VDB Entry
https://vuldb.com/vuln/355514Third Party Advisory, VDB Entry
https://vuldb.com/vuln/355514/ctiPermissions Required, VDB Entry
https://www.tenda.com.cn/Product

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.