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Vulnerabilities

Vulnerability · CVE-2026-7151

A vulnerability was determined in Tenda HG3 2.0.

Published Apr 27, 2026 · catalog updated Jun 17, 2026 · hg3 firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-7151. EPSS is 1.01%. Act only if a listed version of hg3 firmware is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against 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
1.01%
Remediation
Advisory link
Affected products
cpe tenda/hg3 firmware

A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

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/hg3 firmware300003070

How to fix CVE-2026-7151

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-2026-7151. EPSS is 1.01%. Act only if a listed version of hg3 firmware is installed.

Which versions are affected?

Compare what you have installed with tenda/hg3 firmware 300003070. 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 1.01%. 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 27, 2026 · NIST NVD

    Detected

    A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

Sources

  • CVE.orgVulnerability recordCVE-2026-7151

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-7151

    30-day exploitation probability 1.0%

    first.org
  • NIST NVDVulnerability recordCVE-2026-7151

    A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publ

    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.