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CVE-2025-5527

Tenda Rx3 Firmware buffer overflow

8.8 HIGHPublic exploitEPSS 12.1%
  1. Published3 Jun 2025

Description

A vulnerability was found in Tenda RX3 16.03.13.11_multi_TDE01. It has been rated as critical. This issue affects the function save_staticroute_data of the file /goform/SetStaticRouteCfg. The manipulation of the argument list leads to stack-based buffer overflow. The attack may be initiated 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 Rx3 Firmware16.03.13.11_multi

Remediation

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

References

Frequently asked

Is CVE-2025-5527 being actively exploited?

CVE-2025-5527 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 12.1%.

How severe is CVE-2025-5527?

CVE-2025-5527 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 12.1% probability of exploitation.

Which products are affected by CVE-2025-5527?

Affected products include Tenda Rx3 Firmware.

How do I fix CVE-2025-5527?

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-2025-5527 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.