Buffer overflow in Utt Hiper 1200gw
CVE-2026-6186
A security vulnerability has been detected in UTT HiPER 1200GW up to 2.5.3-170306. This vulnerability affects the function strcpy of the file /goform/formNatStaticMap. The manipulation of the argument NatBind leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.
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: 0.006 (49.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% 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: 0.006 · change: -0.002
Affected products
- Utt Hiper 1200gw — versions 2.5.3-170306
Weakness classification (CWE)
References
- VDB-357108 | UTT HiPER 1200GW formNatStaticMap strcpy buffer overflow (technical-description, vdb-entry)
- VDB-357108 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #797304 | UTT HiPER 1200GW <=v2.5.3-170306 Buffer Overflow (third-party-advisory)
- github.com/lin-3-start/lin-cve/blob/main/Amao/1.md (exploit)
Frequently asked questions
- What is CVE-2026-6186?
- CVE-2026-6186 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 2026-04-13.
- How severe is CVE-2026-6186?
- High severity. CVSS v3 base score is 8.8 out of 10.