High severity · published Jan 5, 2026
CVE-2025-15460
UTT 进取 520W formPptpClientConfig strcpy buffer overflow
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formPptpClientConfig. Performing a manipulation of the argument EncryptionMode results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
进5
进取 520W · UTT
1.7.7-180627 · source: vendor
5F
520w Firmware · Utt
through 1.7.7-180627 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15460
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15460
Exploit
https://github.com/cymiao1978/cve/blob/main/new/23.md
Exploit
https://github.com/cymiao1978/cve/blob/main/new/23.md#poc
Permissions Required
https://vuldb.com/?ctiid.339496
Third Party Advisory
https://vuldb.com/?id.339496
Third Party Advisory
https://vuldb.com/?submit.725817
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