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CVE-2025-15233

Tenda M3 Firmware buffer overflow

8.8 HIGHPublic exploitEPSS 0.74%
  1. Published30 Dec 2025

Description

A security flaw has been discovered in Tenda M3 1.0.0.13(4903). This issue affects the function formSetAdInfoDetails of the file /goform/setAdInfoDetail. The manipulation of the argument adName/smsPassword/smsAccount/weixinAccount/weixinName/smsSignature/adRedirectUrl/adCopyRight/smsContent/adItemUID results in heap-based buffer overflow. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

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 M3 Firmware1.0.0.13\(4903\)

Remediation

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

References

Frequently asked

Is CVE-2025-15233 being actively exploited?

CVE-2025-15233 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.74%.

How severe is CVE-2025-15233?

CVE-2025-15233 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.74% probability of exploitation.

Which products are affected by CVE-2025-15233?

Affected products include Tenda M3 Firmware.

How do I fix CVE-2025-15233?

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-2025-15233 against the real software inventory on every managed device, as each hourly inventory arrives. 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.