CVE-2026-4904

A vulnerability has been found in Tenda AC5 15.03.06.47. This issue affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. Such manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://lavender-bicycle-a5a.notion.site/Tenda_AC5_setcfm_funcpara1-32053a41781f8073a4d6ef8076abe644?source=copy_link	Exploit Third Party Advisory
https://vuldb.com/?ctiid.353655	Permissions Required VDB Entry
https://vuldb.com/?id.353655	Third Party Advisory VDB Entry
https://vuldb.com/?submit.777381	Third Party Advisory VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac5_firmware:15.03.06.47:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac5:1.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-27 00:16

Updated : 2026-06-17 10:57

NVD link : CVE-2026-4904

Mitre link : CVE-2026-4904

CVE.ORG link : CVE-2026-4904

JSON object : View

Products Affected

tenda

ac5
ac5_firmware

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

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El exploit ha sido divulgado al p\u00fablico y puede ser utilizado."}], "lastModified": "2026-06-17T10:57:25.697", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:ac5_firmware:15.03.06.47:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2D94CA12-3FED-4730-B1B4-4F6AAA3AB17E"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:ac5:1.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D141716B-56F0-4061-9D87-943B7858F2F4"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cna@vuldb.com"}