What is CVE-2026-3815?

CVE-2026-3815 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 2026-03-09.

How severe is CVE-2026-3815?

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

Buffer overflow in Utt 810g

CVE-2026-3815

A weakness has been identified in UTT HiPER 810G up to 1.7.7-1711. This affects the function strcpy of the file /goform/formApMail. Executing a manipulation can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.4th percentile) — read the EPSS interpretation.

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.

Affected products

Utt 810g — versions 3.0
Utt 810g_firmware
Utt Hiper 810g — versions 1.7.7-1711

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2026-3815?: CVE-2026-3815 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 2026-03-09.
How severe is CVE-2026-3815?: High severity. CVSS v3 base score is 8.8 out of 10.