Buffer overflow in Utt Hiper 1200gw
CVE-2026-9627
A security flaw has been discovered in UTT HiPER 1200GW up to 2.5.3-170306. This impacts the function strcpy of the file /goform/setSysAdm of the component Web Management Interface. The manipulation of the argument sysAdmUser/sysAdmPass results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.005 · change: -0.003
Affected products
- Utt Hiper 1200gw — versions 2.5.3-170306
Weakness classification (CWE)
References
- VDB-365683 | UTT HiPER 1200GW Web Management setSysAdm strcpy buffer overflow (technical-description, vdb-entry)
- VDB-365683 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #818374 | UTT HiPER 1200GW v2.5.3-170306 Buffer Overflow (third-party-advisory)
- github.com/zhouguobing-maker/cve/blob/main/9.md (exploit)
Frequently asked questions
- What is CVE-2026-9627?
- CVE-2026-9627 is a high-severity vulnerability in Utt Hiper 1200gw, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-05-27.
- How severe is CVE-2026-9627?
- High severity. CVSS v3 base score is 8.8 out of 10.