CVE-2025-3820

A vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644) and classified as critical. Affected by this issue is the function cgiSysUplinkCheckSet of the file /bin/httpd. The manipulation of the argument hostIp1/hostIp2 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://github.com/02Tn/vul/issues/4	Exploit Issue Tracking Third Party Advisory
https://vuldb.com/?ctiid.305726	Permissions Required VDB Entry
https://vuldb.com/?id.305726	Third Party Advisory VDB Entry
https://vuldb.com/?submit.555728	Third Party Advisory VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:w12_firmware:3.0.0.4\(2887\):*:*:*:*:*:*:*

cpe:2.3:h:tenda:w12:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:tenda:w12_firmware:3.0.0.5\(3644\):*:*:*:*:*:*:*

cpe:2.3:h:tenda:w12:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:tenda:i24_firmware:3.0.0.4\(2887\):*:*:*:*:*:*:*

cpe:2.3:h:tenda:i24:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:tenda:i24_firmware:3.0.0.5\(3644\):*:*:*:*:*:*:*

cpe:2.3:h:tenda:i24:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-04-19 21:15

Updated : 2025-07-30 18:57

NVD link : CVE-2025-3820

Mitre link : CVE-2025-3820

CVE.ORG link : CVE-2025-3820

JSON object : View

Products Affected

tenda

w12
i24
w12_firmware
i24_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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Affected by this issue is the function cgiSysUplinkCheckSet of the file /bin/httpd. The manipulation of the argument hostIp1/hostIp2 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Tenda W12 e i24 3.0.0.4(2887)/3.0.0.5(3644), clasificada como cr\u00edtica. Este problema afecta a la funci\u00f3n cgiSysUplinkCheckSet del archivo /bin/httpd. La manipulaci\u00f3n del argumento hostIp1/hostIp2 provoca un desbordamiento del b\u00fafer basado en la pila. El ataque puede ejecutarse remotamente. Se ha hecho p\u00fablico el exploit y puede que sea utilizado."}], "lastModified": "2025-07-30T18:57:54.207", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:w12_firmware:3.0.0.4\\(2887\\):*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A79FCEB8-7463-404D-9070-056CFA0A09EC"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:w12:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "92DF99FB-59B8-4B31-AE17-E898ED2CF217"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:w12_firmware:3.0.0.5\\(3644\\):*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7305B22D-3176-4EE3-B717-ABED6B941F46"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:w12:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "92DF99FB-59B8-4B31-AE17-E898ED2CF217"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:i24_firmware:3.0.0.4\\(2887\\):*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EEECB34-D194-4EF3-80C8-542534E0C8FB"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:i24:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "734CD236-AD9B-4232-96F6-07A324472B1E"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:i24_firmware:3.0.0.5\\(3644\\):*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8A4E9F82-3B43-4A09-8C3F-CF7949CD0C90"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:i24:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "734CD236-AD9B-4232-96F6-07A324472B1E"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "[email protected]"}