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Vulnerabilities

Vulnerability · CVE-2025-7855

A vulnerability classified as critical was found in Tenda FH451 1.0.0.9.

Published Jul 19, 2025 · catalog updated Jul 22, 2025 · Tenda FH451

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-7855. EPSS is 1.28%. Act only if a listed version of Tenda FH451 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.28%
Remediation
Vendor / distro source
Affected products
vendor Tenda FH451 1.0.0.9

A vulnerability classified as critical was found in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function fromqossetting of the file /goform/qossetting. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be launched remotely.

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.

  • vendor Tenda FH451 1.0.0.91.0.0.9

How to fix CVE-2025-7855

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-2025-7855. EPSS is 1.28%. Act only if a listed version of Tenda FH451 is installed.

Which versions are affected?

Compare what you have installed with Tenda FH451 1.0.0.9 1.0.0.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.28%. 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.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 19, 2025 · EUVD

    Detected

    A vulnerability classified as critical was found in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function fromqossetting of the file /goform/qossetting. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be launched remotely.

  2. Jul 22, 2025 · EUVD

    Updated

    A vulnerability classified as critical was found in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function fromqossetting of the file /goform/qossetting. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be launched remotely.

Sources

  • CVE.orgVulnerability recordCVE-2025-7855

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-7855

    30-day exploitation probability 1.28%

    first.org
  • EUVDVulnerability recordEUVD-2025-21976

    A vulnerability classified as critical was found in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function fromqossetting of the file /goform/qossetting. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be launched remotely.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 21, 2026