What is CVE-2026-78169?

CVE-2026-78169 is a critical-severity vulnerability in Utt Hiper 1250gw, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.9/10. Published 2026-08-24.

How severe is CVE-2026-78169?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Buffer overflow in Utt Hiper 1250gw

CVE-2026-78169

A vulnerability was detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This impacts the function strcpy of the file /goform/aspRemoteApConfTempSend of the component HTTP Request Handler. Performing a manipulation of the argument Profile results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Vulnerability class: Buffer Overflow

Published 2026-08-24 · last modified 2026-08-24.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.0th percentile), scored 2026-10-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% 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: 0.008 · change: +0.004

Affected products

Utt Hiper 1250gw — versions 3.2.7-210907-180535

Weakness classification (CWE)

References

github.com/7wkajk/CVE-VUL/blob/main/107.md (exploit)
vuldb.com/cve/CVE-2026-78169 (third-party-advisory)
vuldb.com/submit/883900 (third-party-advisory)
vuldb.com/vuln/394558 (technical-description, vdb-entry)
vuldb.com/vuln/394558/cti (signature, permissions-required)

Frequently asked questions

What is CVE-2026-78169?: CVE-2026-78169 is a critical-severity vulnerability in Utt Hiper 1250gw, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.9/10. Published 2026-08-24.
How severe is CVE-2026-78169?: Critical severity. CVSS v3 base score is 9.9 out of 10.