CVE-2025-7551: A vulnerability was found in Tenda FH1201 1.2.0.14(408)

This month

HIGH 8.8MITIGATE

CVE-2025-7551 is a high-severity flaw (CVSS 8.8) affecting fh1201 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Tenda FH1201 1.2.0.14(408). It has been declared as critical. Affected by this vulnerability is the function fromPptpUserAdd of the file /goform/PPTPDClient. The manipulation of the argument modino/username leads to stack-based buffer overflow. The attack can be launched 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	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-119, CWE-121
Published	2025-07-14
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

2025-07-14 00:15 UTCPublished CVE record published
2026-06-17 10:05 UTCUpdated Record last modified

tenda fh1201 firmware MITIGATE

Affected: 1.2.0.14\(408\)

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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-2025-7551?

fh1201 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-7551 being exploited?

CVE-2025-7551 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-2025-7551 affect?

CVE-2025-7551 affects fh1201 firmware. Severity is high (CVSS 8.8). A vulnerability was found in Tenda FH1201 1.2.0.14(408). It has been declared as critical. Affected by this vulnerability is the function fromPptpUserAdd of the file /goform/PPTPDClient. The manipulation of the argument modino/username lead

How urgent is CVE-2025-7551?

Priority 53/100. High severity; Public exploit reference

Related CVEs

CVE-2026-5046 HIGH 8.8 MITIGATE A flaw has been found in Tenda FH1201 1.2.0.14(408)
CVE-2026-5045 HIGH 8.8 MITIGATE A vulnerability was detected in Tenda FH1201 1.2.0.14(408)
CVE-2025-7550 HIGH 8.8 MITIGATE A vulnerability was found in Tenda FH1201 1.2.0.14(408)
CVE-2025-7549 HIGH 8.8 MITIGATE A vulnerability was found in Tenda FH1201 1.2.0.14(408) and classified as critical
CVE-2025-7548 HIGH 8.8 MITIGATE A vulnerability has been found in Tenda FH1201 1.2.0.14(408) and classified as critical

References

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