CVE-2026-5830

A vulnerability was identified in Tenda AC15 15.03.05.18. This affects the function websGetVar of the file /goform/SysToolChangePwd. Such manipulation of the argument oldPwd/newPwd/cfmPwd leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might 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://files.catbox.moe/xrk8jb.zip	Exploit
https://vuldb.com/submit/789178	Third Party Advisory VDB Entry
https://vuldb.com/vuln/356277	Third Party Advisory VDB Entry
https://vuldb.com/vuln/356277/cti	Permissions Required VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac15_firmware:15.03.05.18:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac15:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-09 02:16

Updated : 2026-07-24 09:10

NVD link : CVE-2026-5830

Mitre link : CVE-2026-5830

CVE.ORG link : CVE-2026-5830

JSON object : View

Products Affected

tenda

ac15
ac15_firmware

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

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El exploit est\u00e1 disponible p\u00fablicamente y podr\u00eda ser usado."}], "lastModified": "2026-07-24T09:10:00.153", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:ac15_firmware:15.03.05.18:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56881C41-A993-45CC-BAE6-E9DE17FA56E2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:ac15:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B73E7C1C-F121-486A-8B15-E97EA0C219A5"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cna@vuldb.com"}