High severity · published Apr 5, 2026
CVE-2026-5566
UTT HiPER 1250GW formNatStaticMap strcpy buffer overflow
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
A vulnerability was detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This affects the function strcpy of the file /goform/formNatStaticMap. Performing a manipulation of the argument NatBind results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.
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)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
H1
HiPER 1250GW · UTT
3.2.7-210907-180535 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5566
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5566
github.com
https://github.com/Moxxkidd/CVE/issues/1
vuldb.com
https://vuldb.com/submit/782993
vuldb.com
https://vuldb.com/vuln/355336
vuldb.com
https://vuldb.com/vuln/355336/cti
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