Buffer overflow in Utt 810g
CVE-2026-2086
A vulnerability was detected in UTT HiPER 810G up to 1.7.7-171114. Affected by this vulnerability is the function strcpy of the file /goform/formFireWall of the component Management Interface. The manipulation of the argument GroupName results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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 (48.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Utt 810g — versions 3.0
- Utt 810g Firmware
- Utt Hiper 810g — versions 1.7.7-171114
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/alc9700jmo/CVE/issues/22 (issue-tracking, Exploit, Third Party Advisory, Mitigation, Issue Tracking)
- github.com/alc9700jmo/CVE/issues/22 (issue-tracking, Exploit, Third Party Advisory, exploit, Mitigation, Issue Tracking)
Frequently asked questions
- What is CVE-2026-2086?
- CVE-2026-2086 is a high-severity vulnerability in Utt 810g, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-02-07.
- How severe is CVE-2026-2086?
- High severity. CVSS v3 base score is 8.8 out of 10.