Vulnerability · CVE-2026-5687
A weakness has been identified in Tenda CX12L 16.03.53.12.
Published Apr 6, 2026 · catalog updated Jul 24, 2026 · cx12l firmware
Check if you run it
No confirmed exploitation is on record for CVE-2026-5687. EPSS is 0.99%. Act only if a listed version of cx12l firmware is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.4
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.99%
- Remediation
- Advisory link
- Affected products
- cpe tenda/cx12l firmware
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe tenda/cx12l firmware16.03.53.12
How to fix CVE-2026-5687
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-5687. EPSS is 0.99%. Act only if a listed version of cx12l firmware is installed.
Which versions are affected?
Compare what you have installed with tenda/cx12l firmware 16.03.53.12. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-119: Buffer Overflow; CWE-121: Stack-based Buffer Overflow. EPSS 0.99%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Apr 6, 2026 · NIST NVD
Detected
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.
Jul 24, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-5687
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-5687
30-day exploitation probability 1.0%
first.org - NIST NVDVulnerability recordCVE-2026-5687
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 b
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.