High severity · published Dec 11, 2025
CVE-2025-14526
Tenda CH22 L7Im frmL7ImForm buffer overflow
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A security flaw has been discovered in Tenda CH22 1.0.0.1. This affects the function frmL7ImForm of the file /goform/L7Im. Performing a manipulation of the argument page results in buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.
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)0.8% · higher than 55% 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-2025-14526
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-14526
Exploit
https://github.com/maximdevere/CVE2/issues/5
Exploit
https://github.com/maximdevere/CVE2/issues/5#issue-3673676260
Permissions Required
https://vuldb.com/?ctiid.335866
Third Party Advisory
https://vuldb.com/?id.335866
Third Party Advisory
https://vuldb.com/?submit.703035
Product
https://www.tenda.com.cn/
More from CH22
9.8
CVE-2026-5962
Tenda CH22 httpd R7WebsSecurityHandlerfunction path traversal
9.8
CVE-2025-13400
Tenda CH22 WrlExtraGet formWrlExtraGet buffer overflow
9.8
CVE-2025-12273
A weakness has been identified in Tenda CH22 1.0.0.1
9.8
CVE-2025-12272
A security flaw has been discovered in Tenda CH22 1.0.0.1
9.8
CVE-2025-12271
A vulnerability was identified in Tenda CH22 1.0.0.1