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Vulnerability record · CVE-2026-4567 · published 23 March 2026

CVE-2026-4567: Tenda a15 firmware memory buffer overflow vulnerability

Tenda · A15 Firmware

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.

8.9 CVSS 4.0 High EPSS 1.3% · top 30.9% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
8.9CVSS 4.0 base score, v2 10.0
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-47115Tenda a15 firmware out-of-bounds write vulnerabilityTenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepauth parameter at /goform/WifiBasicSet.EPSS 0.87%9.8CVE-2022-47117Tenda a15 firmware out-of-bounds write vulnerabilityTenda A15 V15.13.07.13 was discovered to contain a stack overflow via the security parameter at /goform/WifiBasicSet.EPSS 0.87%9.8CVE-2022-47118Tenda a15 firmware out-of-bounds write vulnerabilityTenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey1 parameter at /goform/WifiBasicSet.EPSS 0.87%9.8CVE-2022-47119Tenda a15 firmware out-of-bounds write vulnerabilityTenda A15 V15.13.07.13 was discovered to contain a stack overflow via the ssid parameter at /goform/WifiBasicSet.EPSS 0.87%9.8CVE-2022-47120Tenda a15 firmware out-of-bounds write vulnerabilityTenda A15 V15.13.07.13 was discovered to contain a stack overflow via the security_5g parameter at /goform/WifiBasicSet.EPSS 0.87%9.8CVE-2022-47121Tenda a15 firmware out-of-bounds write vulnerabilityTenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey parameter at /goform/WifiBasicSet.EPSS 0.87%9.8CVE-2022-47122Tenda a15 firmware out-of-bounds write vulnerabilityTenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wrlPwd_5g parameter at /goform/WifiBasicSet.EPSS 0.87%9.8CVE-2022-47123Tenda a15 firmware out-of-bounds write vulnerabilityTenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey3 parameter at /goform/WifiBasicSet.EPSS 0.97%

Source: NIST National Vulnerability Database (record CVE-2026-4567), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.