Critical severity · published Aug 19, 2026
CVE-2026-76003
UTT HiPER 1200GW formGroupConfig strcpy stack-based overflow
9.9
CVSS
0.8%
EPSS
No
On KEV
Description
A weakness has been identified in UTT HiPER 1200GW up to 2.5.3-170306. Affected is the function strcpy of the file /goform/formGroupConfig. Executing a manipulation of the argument timestart can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
H1
HiPER 1200GW · UTT
2.5.3-170306 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76003
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76003
github.com
https://github.com/7wkajk/CVE-VUL/blob/main/105.md
vuldb.com
https://vuldb.com/cve/CVE-2026-76003
vuldb.com
https://vuldb.com/submit/877884
vuldb.com
https://vuldb.com/vuln/391919
vuldb.com
https://vuldb.com/vuln/391919/cti
More from HiPER 1200GW
8.8
CVE-2026-78170
UTT HiPER 1200GW formConfigFastDirectionW strcpy buffer overflow
8.8
CVE-2026-19341
UTT HiPER 1200GW pptpSrvGlobalConfig strcpy stack-based overflow
8.8
CVE-2026-18898
UTT HiPER 1200GW ConfigAdvideo strcpy stack-based overflow
8.8
CVE-2026-10293
UTT HiPER 1200GW formFireWall strcpy stack-based overflow
8.8
CVE-2026-10292
UTT HiPER 1200GW formTaskEdit strcpy stack-based overflow