CVE-2026-4567

Tenda A15 Firmware buffer overflow

9.8 CRITICALPublic exploitEPSS 1.29%

Published23 Mar 2026

Description

A vulnerability has been found in Tenda A15 15.13.07.13. The impacted element is the function UploadCfg of the file /cgi-bin/UploadCfg. The manipulation of the argument File 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 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 A15 Firmware15.13.07.13

Remediation

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

References

https://github.com/942384053/cve/issues/3Issue Tracking
https://github.com/user-attachments/files/25824036/Tenda.A15.V15.13.07.13.Unauthenticated.Stack-based.Buffer.Overflow.in._cgi-bin_UploadCfg.zipExploitThird Party Advisory
https://vuldb.com/?ctiid.352404Permissions RequiredVDB Entry
https://vuldb.com/?id.352404Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.775156Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2026-4567 being actively exploited?

CVE-2026-4567 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.29%.

How severe is CVE-2026-4567?

CVE-2026-4567 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.29% probability of exploitation.

Which products are affected by CVE-2026-4567?

Affected products include Tenda A15 Firmware.

How do I fix CVE-2026-4567?

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-2026-4567 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.