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CVE-2026-5687

Tenda CX12L NatStaticSetting fromNatStaticSetting stack-based overflow

CVSS 8.7 HIGHEPSS 0.7%CWE-119CWE-121
Vexday Risk Score
41Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 8.7EPSS 0.7%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
06 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · CX12L
public PoCs found — 1
cve_referencegithub.com/cve-a/lvdan/issues/5unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/cve-a/lvdan/issues/5https://vuldb.com/submit/792785https://vuldb.com/vuln/355514https://vuldb.com/vuln/355514/ctihttps://www.tenda.com.cn/