High severity · published Feb 6, 2026
CVE-2026-2066
UTT 进取 520W formIpGroupConfig strcpy buffer overflow
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A weakness has been identified in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formIpGroupConfig. Executing a manipulation of the argument groupName can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. 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)0.8% · higher than 55% 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
1.7.7-180627 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2066
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2066
Exploit
https://github.com/cymiao1978/cve/blob/main/new/36.md
Exploit
https://github.com/cymiao1978/cve/blob/main/new/36.md#poc
Permissions Required
https://vuldb.com/?ctiid.344633
Third Party Advisory
https://vuldb.com/?id.344633
Third Party Advisory
https://vuldb.com/?submit.745260
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