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CVE-2025-27129

Tenda Ac6 Firmware authentication bypass

9.8 CRITICALEPSS 2.11%
  1. Published20 Aug 2025

Description

An authentication bypass vulnerability exists in the HTTP authentication functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted HTTP request can lead to arbitrary code execution. An attacker can send packets to trigger this vulnerability.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Tenda Ac6 Firmware02.03.01.110

Remediation

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

References

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Frequently asked

Is CVE-2025-27129 being actively exploited?

CVE-2025-27129 is not in the CISA KEV catalog. Its EPSS exploit probability is 2.11%.

How severe is CVE-2025-27129?

CVE-2025-27129 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.11% probability of exploitation.

Which products are affected by CVE-2025-27129?

Affected products include Tenda Ac6 Firmware.

How do I fix CVE-2025-27129?

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-2025-27129 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.