What is CVE-2026-11516?

CVE-2026-11516 is a medium-severity vulnerability in Utt Hiper 2610g, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2026-06-08.

How severe is CVE-2026-11516?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Utt Hiper 2610g

CVE-2026-11516

A vulnerability was found in UTT HiPER 2610G up to 3.0.0-171107. This affects the function strcpy of the file /goform/formNatStaticMap. Performing a manipulation of the argument NatBinds results in buffer overflow. The exploit has been made public and could be used.

Vulnerability class: Buffer Overflow

Published 2026-06-08 · last modified 2026-07-23.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (29.8th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Utt Hiper 2610g — versions 3.0.0-171107

Weakness classification (CWE)

References

github.com/HungryGoogle/log_attack/tree/main/index1 (exploit)
vuldb.com/cve/CVE-2026-11516 (third-party-advisory)
vuldb.com/submit/836275 (third-party-advisory)
vuldb.com/vuln/369136 (technical-description, vdb-entry)
vuldb.com/vuln/369136/cti (signature, permissions-required)
134c704f-9b21-4f2e-91b3-4a467353bcc0

Frequently asked questions

What is CVE-2026-11516?: CVE-2026-11516 is a medium-severity vulnerability in Utt Hiper 2610g, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2026-06-08.
How severe is CVE-2026-11516?: Medium severity. CVSS v3 base score is 5.5 out of 10.