CVE-2025-11123

Tenda Ac18 Firmware buffer overflow

8.8 HIGHPublic exploitEPSS 0.80%

Published28 Sept 2025

Description

A flaw has been found in Tenda AC18 15.03.05.19. This impacts an unknown function of the file /goform/saveAutoQos. This manipulation of the argument enable causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published 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 Ac18 Firmware15.03.05.19

Remediation

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

References

https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/saveAutoQos.mdExploitThird Party Advisory
https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/saveAutoQos.md#pocExploitThird Party Advisory
https://vuldb.com/?ctiid.326204Permissions RequiredVDB Entry
https://vuldb.com/?id.326204Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.664197Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-11123 being actively exploited?

CVE-2025-11123 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.80%.

How severe is CVE-2025-11123?

CVE-2025-11123 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.80% probability of exploitation.

Which products are affected by CVE-2025-11123?

Affected products include Tenda Ac18 Firmware.

How do I fix CVE-2025-11123?

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-2025-11123 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.