High severity · published Jun 26, 2025
CVE-2025-6734
UTT HiPER 840G API formP2PLimitConfig sub_484E40 buffer overflow
8.8
CVSS
1%
EPSS
No
On KEV
Description
A vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been rated as critical. This issue affects the function sub_484E40 of the file /goform/formP2PLimitConfig of the component API. The manipulation of the argument except leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the 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)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
H8
HiPER 840G · UTT
3.1.1-190328 · source: vendor
8F
840g Firmware · Utt
through 3.1.1-190328 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6734
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6734
Exploit
https://github.com/d2pq/cve/blob/main/616/3.md
Exploit
https://github.com/d2pq/cve/blob/main/616/3.md#poc
Permissions Required
https://vuldb.com/?ctiid.314009
Third Party Advisory
https://vuldb.com/?id.314009
Third Party Advisory
https://vuldb.com/?submit.597679
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