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High severity · published Apr 19, 2025
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
8.8
CVSS
12.7%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.7% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IF
I24 Firmware · Tenda
3.0.0.4(2887); 3.0.0.5(3644) · source: NVD
WF
W12 Firmware · Tenda
3.0.0.4(2887); 3.0.0.5(3644) · source: NVD
Affected product
IF
I24 Firmware
Tenda
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-3820
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-3820
Exploit
https://github.com/02Tn/vul/issues/4
Permissions Required
https://vuldb.com/?ctiid.305726
Third Party Advisory
https://vuldb.com/?id.305726
Third Party Advisory
https://vuldb.com/?submit.555728
Product
https://www.tenda.com.cn/
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