Critical severity · published Oct 27, 2025
CVE-2025-12271
Tenda CH22 RouteStatic fromRouteStatic buffer overflow
9.8
CVSS
1%
EPSS
No
On KEV
Description
A vulnerability was identified in Tenda CH22 1.0.0.1. This affects the function fromRouteStatic of the file /goform/RouteStatic. Such manipulation of the argument page leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
CH22 · Tenda
1.0.0.1 · source: vendor
CF
Ch22 Firmware · Tenda
1.0.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-12271
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-12271
Exploit
https://github.com/QIU-DIE/CVE/issues/20
Permissions Required
https://vuldb.com/?ctiid.329943
Third Party Advisory
https://vuldb.com/?id.329943
Third Party Advisory
https://vuldb.com/?submit.674153
Product
https://www.tenda.com.cn/
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