CVE-2025-7551

Tenda Fh1201 Firmware buffer overflow

8.8 HIGHPublic exploitEPSS 1.15%

Published13 Jul 2025

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Tenda Fh1201 Firmware1.2.0.14\(408\)

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://github.com/panda666-888/vuls/blob/main/tenda/fh1201/fromPptpUserAdd_modino.mdExploitThird Party Advisory
https://github.com/panda666-888/vuls/blob/main/tenda/fh1201/fromPptpUserAdd_modino.md#pocExploitThird Party Advisory
https://vuldb.com/?ctiid.316249Permissions RequiredVDB Entry
https://vuldb.com/?id.316249Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.614975Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.614976Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-7551 being actively exploited?

CVE-2025-7551 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.15%.

How severe is CVE-2025-7551?

CVE-2025-7551 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 1.15% probability of exploitation.

Which products are affected by CVE-2025-7551?

Affected products include Tenda Fh1201 Firmware.

How do I fix CVE-2025-7551?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-7551 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.