What is CVE-2026-14721?

CVE-2026-14721 is a high-severity vulnerability in Utt Hiper 1250gw, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-07-05.

How severe is CVE-2026-14721?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Utt Hiper 1250gw

CVE-2026-14721

A vulnerability has been found in UTT HiPER 1250GW up to 3.2.7-210907-180535. This affects an unknown function of the file /goform/ConfigWirelessBase_5g of the component Web Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Vulnerability class: Buffer Overflow

Published 2026-07-05 · last modified 2026-07-06.

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: 0.008 (54.8th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.8% 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: 0.008 · change: 0.000

Affected products

Utt Hiper 1250gw — versions 3.2.7-210907-180535

Weakness classification (CWE)

References

vuldb.com/vuln/376308 (technical-description, vdb-entry)
vuldb.com/vuln/376308/cti (signature, permissions-required)
vuldb.com/cve/CVE-2026-14721 (third-party-advisory)
vuldb.com/submit/847632 (third-party-advisory)
github.com/J-CLOWN-TAROT/UTT (exploit)

Frequently asked questions

What is CVE-2026-14721?: CVE-2026-14721 is a high-severity vulnerability in Utt Hiper 1250gw, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-07-05.
How severe is CVE-2026-14721?: High severity. CVSS v3 base score is 8.8 out of 10.