CVE-2026-9628: Memory Corruption Vulnerability (CVSS 8.8)

Description

A weakness has been identified in UTT HiPER 1200GW up to 2.5.3-170306. Affected is an unknown function of the file /goform/formPptpClientConfig of the component Web Management Interface. This manipulation of the argument PPTP server address/username/password/tunnel name causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.47%

38.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published: May 27, 2026
Last Modified: Jul 24, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-9628?

A weakness has been identified in UTT HiPER 1200GW up to 2.5.3-170306. Affected is an unknown function of the file /goform/formPptpClientConfig of the component Web Management Interface. This manipulation of the argument PPTP server address/username/password/tunnel name causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.

How severe is CVE-2026-9628?

CVE-2026-9628 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2026-9628?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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