CVE-2025-7807: A vulnerability, which was classified as critical, has been found in Tenda FH451 1.0.0.9

This month

HIGH 8.8MITIGATE

CVE-2025-7807 is a high-severity flaw (CVSS 8.8) affecting fh451 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as critical, has been found in Tenda FH451 1.0.0.9. This issue affects the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. The manipulation of the argument Go/page leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-119, CWE-121
Published	2025-07-18
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: tenda

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-18 21:15 UTCPublished CVE record published
2026-06-17 10:05 UTCUpdated Record last modified

tenda fh451 firmware MITIGATE

Affected: 1.0.0.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0.9

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-7807?

fh451 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-7807 being exploited?

CVE-2025-7807 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-7807 affect?

CVE-2025-7807 affects fh451 firmware. Severity is high (CVSS 8.8). A vulnerability, which was classified as critical, has been found in Tenda FH451 1.0.0.9. This issue affects the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. The manipulation of the argument Go/page leads to stack-based buf

How urgent is CVE-2025-7807?

Priority 52/100. High severity; Public exploit reference

Related CVEs

CVE-2026-4535 HIGH 8.8 MITIGATE A vulnerability has been found in Tenda FH451 1.0.0.9
CVE-2026-4534 HIGH 8.8 MITIGATE A flaw has been found in Tenda FH451 1.0.0.9
CVE-2026-3678 HIGH 8.8 MITIGATE A vulnerability was determined in Tenda FH451 1.0.0.9
CVE-2026-3677 HIGH 8.8 MITIGATE A vulnerability was found in Tenda FH451 1.0.0.9
CVE-2026-2911 HIGH 8.8 MITIGATE A vulnerability has been found in Tenda FH451 up to 1.0.0.9

References

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