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Vulnerabilities

Vulnerability · CVE-2026-5685

A vulnerability was 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-2026-5685. 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 vulnerability was identified in Tenda CX12L 16.03.53.12. This affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

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-2026-5685

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-2026-5685. 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.

  1. Apr 6, 2026 · NIST NVD

    Detected

    A vulnerability was identified in Tenda CX12L 16.03.53.12. This affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

  2. Jul 24, 2026 · NIST NVD

    Updated

    A vulnerability was identified in Tenda CX12L 16.03.53.12. This affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

Sources

  • CVE.orgVulnerability recordCVE-2026-5685

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-5685

    30-day exploitation probability 1.0%

    first.org
  • NIST NVDVulnerability recordCVE-2026-5685

    A vulnerability was identified in Tenda CX12L 16.03.53.12. This affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available

    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.